Fix MSVCR71.dll is missing in Windows 10

The Windows 10 operating system comes with a user-friendly interface as well as better security features compared to its previous versions. One of these new features is the “Recently Opened Files” feature which displays all the files you’ve opened recently in File Explorer. Although it might seem useful, some users see this as a privacy concern especially if there are other users that use the same computer. If you are one of these users, read on as this post will guide you on how you can disable the “Recently Opened Files” feature in Windows 10. There are three ways you can disable the “Recently Opened Files” feature. You can manually clear the recent files, or disable the feature via Control Panel. You can also do it using the Group Policy Editor.

Option 1 – Manually clear the recent files

The first thing you can do is to clear the recent files manually. Since the information about the recently opened files is stored in the form of cached data, you can locate this data and delete it manually, from time to time. To do that, follow these steps:

• Tap the Win + R keys to open the Run utility and copy this address in the field: %AppData%MicrosoftWindowsRecent
• Next, tap the Ctrl + A keys to select all the items and then tap the Shift + Delete keys simultaneously.
• After that, a prompt will appear where you have to click on Yes. This will delete all the recently opened files in the File Explorer the next time you open it.

Option 2 – Disable the feature via Control Panel

The next option you can try to disable the feature is via Control Panel. Refer to these steps to do so:

• First, click on the Start Menu button and select the Settings icon.
• After that, click on Personalization and then on Start located on the left pane.
• Next, scroll down until you see the “Show recently opened items” in Jump Lists on the Start or the Taskbar and click on it and then toggle it off.

Option 3 – Disable the feature using the Group Policy Editor

If you are using the Windows 10 Pro version, then you have access to edit the functions in the Group Policy. The Group Policy function has the option that can disable all the default services of Windows 10. Note that in this step, you will permanently disable the “Recently Opened Files” feature. So before you proceed, make sure that you really want to disable this feature permanently and not in the meantime.

• Tap the Win + R keys to open the Run dialog box and type “gpedit.msc” in the field and click OK or tap Enter to open the Group Policy Editor.
• Next, on the left side pane, click on the “User Configuration” option and then click the “Administrative Templates” option.
• After that, select the “Start Menu and Taskbar” option and select the “Don’t keep the history of recently opened documents” option in the right pane.
• Now double click on this option and check the “Enabled” option and then click on Apply and OK buttons to save the changes made.

If you suddenly encountered the PDC WATCHDOG TIMEOUT BSOD Blue Screen stop error with a bug check value of 0x0000014F, then it’s probably due to a system component that has failed to respond with the allocated period which prevents the system from exiting connected standby. This kind of Blue Screen error could be caused by both hardware and software components. To fix this Stop error, here are some possible fixes you can try that might help but before you proceed, make sure that you create a System Restore point first and boot your computer into Safe Mode with Networking.

Option 1 – Try to rollback, update or disable drivers

The next thing you can do to fix the PDC_WATCHDOG_TIMEOUT Stop error is to roll back, or update, or disable device drivers. It is most likely that after you updated your Windows computer that your driver also needs a refresh. On the other hand, if you have just updated your device drivers then you need to roll back the drivers to their previous versions. Whichever applies to you, refer to the steps below.

• Open the Devices Manager from the Win X Menu.
• After opening the Device Manager, look for the device driver named “IDE ATA/ATAPI controllers” and expand it.
• Then look for the SATA AHCI Controller entry and right-click on it. If you haven’t updated this driver in a while, select the “Update Driver” option. On the other hand, if you’ve just updated this driver, then select the Uninstall Device option.
• Next, follow the screen option to update or uninstall it.
• Finally, restart your computer. It will just reinstall the device drivers automatically if you have chosen to uninstall them.

Note: You can install a dedicated driver on your computer in case you have it or you could also look for it directly from the website of the manufacturer.

Option 2 – Try to disconnect or disable newly installed hardware

In this option, you will have to disable or remove the hardware you’ve just installed recently since external devices could be the one that’s causing the Blue Screen of Death error to appear. To do that, just disconnect any external device that’s connected to your computer physically and then check if it fixes the PDC_WATCHDOG_TIMEOUT Blue Screen error.

Option 3 – Try running the Memory Diagnostic Tool

The Memory Diagnostic tool in windows can help resolve the PDC_WATCHDOG_TIMEOUT Blue Screen error by checking and automatically fixing any memory-based issues. To run it, refer to these steps:

• Tap the Win + R keys to open Run and type mdsched.exe and hit Enter to open the Windows Memory Diagnostic Tool.
• After that, it will give two options such as:
  • Restart now and check for problems (Recommended)
  • Check for problems the next time I start my computer
• Once your computer has restarted, perform a basic scan or you could also go for the “Advanced” options such as “Test mix” or “Pass count”. Simply tap the F10 key to start the test.

Option 4 – Try to update the BIOS

Updating the BIOS can help you fix the PDC_WATCHDOG_TIMEOUT BSOD error but as you know, BIOS is a sensitive part of a computer. Even though it is a software component, the functioning of the hardware depends on it largely. Thus, you must be careful when modifying something in the BIOS. So if you don’t know much about it, it’s best if you skip on this option and try the other ones instead. However, if you are well-versed in navigating the BIOS, then follow the steps below.

• Tap the Win + R keys to open the Run dialog box.
• Next, type “msinfo32” in the field and press Enter to open System Information.
• From there, you should find a search field on the bottom where you have to search for the BIOS version and then press Enter.
• After that, you should see the developer and version of the BIOS installed on your PC.
• Go to your manufacturer’s website and then download the latest version of BIOS on your computer.
• If you are using a laptop, make sure that you keep it plugged in until you have updated the BIOS.
• Now double click on the downloaded file and install the new BIOS version on your computer.
• Now restart your computer to apply the changes made.

Option 5 – Try running the Blue Screen Troubleshooter

The Blue Screen troubleshooter is a built-in tool in Windows 10 that helps users in fixing BSOD errors like PDC_WATCHDOG_TIMEOUT. It can be found in the Settings Troubleshooters page. To use it, refer to these steps:

• Tap the Win + I keys to open the Settings panel.
• Then go to Update & Security > Troubleshoot.
• From there, look for the option called “Blue Screen” on your right-hand side and then click the “Run the troubleshooter” button to run the Blue Screen Troubleshooter and then follow the next on-screen options. Note that you might have to boot your PC into Safe Mode.

Lately, some users reported getting an error that says, “System doesn’t have any USB boot option, Please select other boot option in Boot Manager Menu” when they tried to reinstall the Windows 10 operating system on their PCs or boot from an installation media. If you have the same problem, then this post should help. This kind of error is applicable to multiple devices by various OEMs and is mostly due to the Secure boot being enabled, or the Legacy or CSM support being disabled. It could also be that the bootable USB device was not correctly made and so on. Whatever the cause may be, here are some suggestions you need to check out to resolve the “System doesn’t have any USB boot option, Please select other boot option in Boot Manager Menu” error and reinstall Windows 10 successfully.

Option 1 – Disable the Secure Boot in the BIOS

Disabling the Secure Boot in the BIOS settings is definitely recommended to resolve the error. To disable Secure Boot, here’s what you have to do:

• First, boot your computer into Windows 10.
• Next, go to Settings > Windows Update. From there, check if there is anything that you have to download and install if you see any available updates. Usually, OEMs send and update the list of trusted hardware, drivers, and operating systems for your computer.
• After that, go to the BIOS of your computer.
• Then go to Settings > Update & Security > Advanced Startup options. If you click on Restart Now, it will restart your computer and give you all the advanced options.
• Next, select Troubleshoot > Advanced Options. As you can see, this screen offers you further options including System restore, Startup repair, Go back to the previous version, Command Prompt, System Image Recovery, and UEFI Firmware Settings.
• Select the UEFI Firmware Settings which will take you to the BIOS.
• From there, go to the Security > Boot > Authentication tab where you should see Secure Boot. Note that every OEM has its own way of implementing the options so it varies.
• Next, set Secure Boot to Disabled and set Legacy Support to On or Enabled.
• Save the changes made and exit. Afterward, your computer will reboot.

Option 2 – Try to reset the BIOS or the UEFI Settings

If updating the BIOS didn’t help in fixing Error 0199, you can try to reset the BIOS instead.

• Start your computer and tap the F10 key during the booting process to enter the BIOS. If it does not work, you can try tapping the F1 or F2 key as well as the Del key.
• Once you’re already in the BIOS, tap the F9 key to get the prompt to RestoreLoad default configuration now for the BIOS.
• Next, click on Yes and then follow the next on-screen instructions that appear to set the BIOS back to its default settings.
• Once you’re done restoring the default settings of the BIOS, restart your computer and then check if it now boots properly.

Option 3 – Make a proper bootable USB Drive/Stick

To make a proper bootable USB drive, you need to use the Windows Media Creation tool. The Media Creation tool in Windows allows you to use the ISO installation file to make a bootable device that you can use to install Windows on your PC. Note that this is kind of different from the usual installation process as it could erase your computer’s current settings and data on the primary drive. Thus, before you proceed, you need to backup all your data into some removable drive and then use the Media Creation Tool to make a bootable drive.

• After making the bootable drive, you need to plug it into your computer and then reboot.
• Next, tap the F10 or Esc key to open the boot options.
• Now set the boot priority of the removable drive the highest. Once the setup comes forth, follow the next onscreen instructions and install Windows without any problems.

Option 4 – Try enabling Legacy or CSM boot support

If the Legacy or CSM boot support is disabled, then it’s no wonder why you’re getting an error. Thus, you need to enable it by following these steps:

• Open Settings and go to Update & Security > Advanced Startup options.
• Next, click on Restart Now to reboot your computer.
• After that, select Troubleshoot > Advanced Options where, you will see more options such as System Restore, Startup Repair, Go back to the previous version, Command Prompt, System Image Recovery, and UEFI Firmware Settings.
• From there, enable Legacy Support and then save the changes and exit. This will restart the computer.
• Once your computer has restarted, check if the error is now fixed.

Error Code 0x800704c7 – What is it?

Error code 0x800704c7 occurs when Windows users attempt to update their system. It affects various Windows users including those using Windows 7, Windows 8, and 8.1 and Windows 10. It usually occurs due to poor maintenance of the system and includes common symptoms such as the following:

• Inability to upgrade your Windows operating system
• Message box with error code 0x800704c7

Solution

Error Causes

Error code 0x800704c7 in Windows 10 can occur due to several reasons. For instance, it may be due to corrupted or missing system files. It may also result from malicious programs affecting your system or occur when a program or several programs are running in the background of one’s system while the user attempts to run the update.

To correct this issue, Windows users will need to select one or a few methods, depending on the issues affecting their PC.

Further Information and Manual Repair

Some of the best solutions for error code 0x800704c7 available to Windows users including using tools to scan for missing systems files or correct other issues inherent within your system.

These methods may include the use of Command Prompt and the performance of technical repair procedures. If you are uncertain of your skills, avoid compounding the issue or causing further damage to your PC by contacting a skilled Windows repair technician. This IT professional will be best equipped to use Windows tools and other methods to resolve error code 0x800704c7.

Method One: Scan Your System for Missing or Corrupt System Files

Using System File Checker Tool (SFC), Windows users can check their system for missing o corrupt system files. These utility tools within your Windows device will be able to replace missing files and repair corrupted ones, resulting in a more efficient system.  Run this tool by following the steps below:

• Step One: Go to Start and type Command Prompt or CMD.
• Step Two: Run as Administrator
• Step Three: Type sfc /scannow. (Be sure to place a space between “sfc” and “/scannow”).

After running these procedures, check if the error code has been resolved. Go to Settings > Update & security > Windows Update. Update your Windows operating system. If error code 0x800704c7 reoccurs, you will need to try the next method below.

Method Two: Restore your System

System Restore is one of the best manual repair solutions Windows users can apply when they come across error codes like error code 0x800704c7. That’s because this method requires no technical or advanced knowledge and therefore can be performed by anyone. Simply follow the steps below to restore your system to a period of time in the past where the error was not present on your system. If done correctly, this could enable you to resolve the issue with little frustration on your part.

• Step one: Type Control Panel in the search bar near the Start button
• Step two: Select Control Panel, then Recovery
• Step three: Select System Restore then click Next
• Step four: Select a restore point before appeared on your Windows 10 system
• Step five: Select Next then Finish

Note that once System Restore is enabled it will remove drivers, apps, and even updates installed after the restore point. For this reason, be careful to choose the most appropriate restore point. Also once you’ve completed this task, check to see if you are able to update your system. If the update stops before the process is complete and a message box occurs with the error code 0x800704c7, proceed to the next manual repair option below.

Method Three: Check for and Remove Malware

Viruses or other forms of malware can adversely affect your system, causing error codes and other issues to take place. To resolve error code 0x800704c7 in Windows 10, check for and remove malware using a reputable anti-malware program.

If no anti-virus software is present on your system or if you scan your device but fail to spot an issue, proceed to method four.

Method Four: Use an Automated Tool

This method involves the use of a powerful automated tool. But why is this important you might ask? A third-party tool is often the best solution when all manual repair efforts fail. Automated tools come equipped to tackle the most serious PC problems including error codes which can cause frustration and result in reduces PC performance.

Error code 0x803f7000 -What is it?

Error code 0x803f7000 refers to an issue in Windows 10 with downloading apps through Windows Store. When you choose the app or game to download, it heads to Downloads in the Store app. Then it says it is acquiring a license but then fails. When you click the “See details” link, you see the error code 0x803F7000. It could mean that the date and time or region settings in your Windows 10 are incorrect or there are some problems with the Windows Store Cache.

Symptoms

• This error appears when you are running Windows 10 and trying to download an app through the Microsoft store. The error code may appear with this message: “Something went wrong. The error code is 0x803f7000, in case you need it”
• You might also see this message along with the error code: "It looks like you've reached your device limit for installing apps and games from the Store on your Windows 10 device. If you want to install apps and games from the Store on another Windows 10 device, remove a device from the device list."

Solution

Error Causes

There may be several reasons for this error:

1. This problem may arise if the date and time in Windows 10 are incorrect.
2. If the region has been set incorrectly.
3. Problems with Windows store cache.
4. Windows store server overloaded.
5. The Windows version you are using is pirated.

Further Information and Manual Repair

Method 1:

Correcting date and time:

• Open up Control Panel > Clock, Language, and Region.
• Then click on Date & Time.
• Now click on Change date & time to correct your time.

Method 2:

Correcting region:

• Navigate to Control Panel > Clock, Language, and Region.
• Then click on Region.
• Then click on the Location tab.
• Now set your actual region from Home location section.
• Click Apply & OK.

Method 3:

Resetting Windows Store:

• Press Windows Flag Key + X from your keyboard. Then select Command Prompt (Admin). It will launch Command prompt as administrator.
• Then type wsreset and hit Enter.
• Wait for a few seconds. It will automatically open Windows Store.
• Then try to download any apps.

Method 4:

1. Open Command prompt in local machine and type in the Windows Store reset tool exe
2. Activate Windows by going to Settings>Updates and Security
3. Run the Modern UI/metro app troubleshooter from Microsoft
4. Keep trying it several times.
5. Try changing locale and time zone to the United States as shown below
6. Go to control panel, Language settings
7. Select location to the United States
8. This will reset the language to US English. After this try downloading the apps again.
9. Try restarting the Windows Updater service or restart the machine once.

You must make sure that you have a good internet connection. You need that for the updates and downloads complete without disruption.

Method 5:

Make sure the app isn’t blocked by the Windows firewall: To make your PC more secure, some apps are blocked by Windows Firewall by default. For proper functioning, you might need to enable an app to receive info through the firewall. For more info, see the "Allow an app to receive info through the firewall," and follow the procedure from start to finish.

Method 6:

Check with your system admin: If your PC is part of a network in an organization, like a business, school, or government agency, your system administrator might have turned off the use of certain apps using the Group Policy. Contact your system admin if you believe that Group Policy is preventing you from using an app.

Method 7:

Make sure your apps are up-to-date: To make the apps working properly, you must keep your apps up-to-date. This could be done by turning on automatic updates in the Windows Store.

Method 8:

Contact the app publisher To view the publisher’s app support info, follow these steps:

1. On the Start screen, tap or click Store to open the Windows Store.
2. Search or browse for the app, and then tap or click it.
3. Scroll to the Details section of the app's description page, and then tap or click the support link for the app under Learn more. The link will open an email message for you to contact support or will take you to a support website.

If you do not possess the technical expertise required to accomplish this yourself or do not feel comfortable doing so, download and install a powerful automated tool to get the job done.

If you receive an error that says, “An unspecified error occurred during System Restore (0x800700b7)” when you tried to restore your Windows 10 PC, worry not, for this post will help you resolve the problem. This kind of error typically occurs when System Restore was not completed successfully and fails instead with this error. Before you start, you must not abruptly shut down your computer and wait for the error to occur. You may receive this error due to many possible reasons. It could be caused by your antivirus program that’s not letting the process complete or corrupted system files which causes the failure or it could also be caused by an unsuccessful installation of a Windows Update. Here are some fixes you can check out if you can still boot into your computer:

Option 1 – Try to disable your antivirus program

Disabling the antivirus program or any security software installed in your computer is always a good idea you can try when the System Restore process does not go smoothly. So before you try updating your computer again, make sure to disable the antivirus or security program and then run System Restore again, don’t forget to enable the antivirus program back again.

Option 2 – Run the DISM tool

The next thing you can do is run the DISM tool. This tool is known to repair potentially corrupted files in your system as having them could also system issues like the blank dialog boxes. To repair these corrupted system files, you can run the DISM commands:

• Tap the Win + X keys and click on the “Command Prompt (Admin)” option.
• After that, input each one of the commands listed below sequentially to execute them:
  • Dism /Online /Cleanup-Image /CheckHealth
  • Dism /Online /Cleanup-Image /ScanHealth
  • Dism /Online /Cleanup-Image /RestoreHealth

• Once you’ve executed the commands given above, restart your computer and check if the problem is now fixed.

Option 3 – Run the System File Checker

System File Checker or SFC is a built-in command utility that helps in restoring corrupted files as well as missing files. It replaces bad and corrupted system files to good system files that might be the cause why you’re getting the errors 0x8024a11a and 0x8024a112. To run the SFC command, follow the steps given below.

• Type “cmd” in the Start search and then right-click on the appropriate search result.
• Next, select “Run as administrator” to open Command Prompt with admin privileges.
• After opening Command Prompt, type in sfc /scannow

The command will start a system scan which will take a few whiles before it finishes. Once it’s done, you could get the following results:

1. Windows Resource Protection did not find any integrity violations.
2. Windows Resource Protection found corrupt files and successfully repaired them.
3. Windows Resource Protection found corrupt files but was unable to fix some of them.

• Now restart your computer and see if the problem is fixed or not.

Option 4 – Try to run the System Restore in a Clean Boot State

If the first three given options didn’t work and the service still keeps on failing even though the service is running, you can try putting your computer in a Clean Boot State and then try to run System Restore again.

• Log onto your PC as an administrator.
• Type in MSConfig in the Start Search to open the System Configuration utility.
• From there, go to the General tab and click “Selective startup”.
• Clear the “Load Startup items” check box and make sure that the “Load System Services” and “Use Original boot configuration” options are checked.
• Next, click the Services tab and select the “Hide All Microsoft Services” check box.
• Click Disable all.
• Click on Apply/OK and restart your PC. (This will put your PC into a Clean Boot State. And configure Windows to use the usual startup, just simply undo the changes.)
• Now try to run System Restore again and see if the process goes smoothly.

Option 5 – Run the Windows Update Troubleshooter

You might also want to run the Windows Update Troubleshooter as it could also help in fixing the problem with System Restore. To run it, go to Settings and then select Troubleshoot from the options. From there, click on Windows Update and then click the “Run the troubleshooter” button. After that, follow the next on-screen instructions and you should be good to go. On the other hand, if you can’t boot into your Windows 10 computer, here are some fixes you can try instead:

Option 6 – Try running System Restore in Advanced Startup Options

If you cannot boot into your Windows 10 computer, you can try to run System Restore again in the Advanced Startup Options.

• Boot your computer into the Advanced Startup Options screen.
• From there, you will see some options to troubleshoot when you can’t log in to Windows in the usual way.
• Now select Troubleshoot > Advanced Options > Command Prompt.
• After that, type “rstrui” and hit Enter to execute the command which will start the System Restore process.

Option 7 – Run the SFC scan and DISM via Advanced Startup Options

Like what you did in the first given option, you can use the Advanced Startup Options to run both System File Checker and DISM. All you have to do is boot into the Advanced Startup Options and from there select Troubleshoot > Advanced Options > Command Prompt. After accessing Command Prompt, you can run the System File Checker scan first by entering the “sfc /scannow”. As for DISM, you can run the “Dism /Online /Cleanup-Image /RestoreHealth” command.

Option 8 – Try to run the Automatic Repair Utility

You might also want to use Automatic Repair in fixing the error. To do so, follow the steps below.

• You can start by creating and booting from a bootable Windows 10 USB Stick.
• After that, click on Repair your computer located in the bottom left corner when you are on the initial Windows Startup screen.
• Next, click on Troubleshoot, and then on the other screen, click the Startup Repair option.
• Now select the operating system you want to repair. Once you do that, it will start to repair your operating system. Wait until the process is completed and then check if the problem’s now fixed.

If you are trying to upgrade your computer but encounter the Windows Update Error 0x800F081F – 0x20003 instead, then read on as this post will guide you in fixing this Windows Update error. This kind of error is commonly encountered when upgrading your copy of Windows 10 and is caused by errors with various developer-related settings that are being enabled in the system. When you encounter Windows Update Error 0x800F081F – 0x20003, you will see either of these error messages:

“We couldn’t install Windows 10. The installation failed in the SAFE_OS phase with an error during INSTALL_UPDATES operation: Error 0x800F081F”  “The installation failed in the Safe_OS phase with an error during apply_image operation: Error: 0x800f081f – 0x20003”

To fix this kind of Windows Update error, you need not use external programs but you can try to disable the Developer Mode, run the Windows Update troubleshooter or restart all the Windows Update-related services and components. For more details, refer to the options provided below.

Option 1 – Try to disable Developer Mode

You might have to disable Developer Mode to fix the Windows Update Error 0x800F081F – 0x20003. How? Refer to these steps:

• Tap the Win + I keys on your keyboard to open the Settings app.
• Next, go to Update & Security > For Developers.
• From there, select the toggle for Sideload apps or Microsoft Store apps located on the right-side panel.
• If you get any prompt, just click on Yes.
• After that, navigate to Apps > Apps & features and then click on Optional features on the right-side panel.
• Then scroll down to locate the Windows Developer Mode entry and select it and click on Uninstall.
• Once you’re done uninstalling the Windows Developer Mode component, close the Settings app and restart your computer to apply the changes made.

Option 2 – Try to run the Windows Update Troubleshooter

You should also try to run the built-in Windows Update troubleshooter as it could help you resolve the Windows Update Error 0x800F081F – 0x20003. To run it, go to Settings and then select Troubleshoot from the options. From there, click on Windows Update and then click the “Run the troubleshooter” button. After that, follow the next on-screen instructions and you should be good to go.

Option 3 – Try restarting various Windows Update-related services and components

• Tap the Win + X key combination and select Command Prompt (Admin) to open Command Prompt with admin privileges.
• After opening Command Prompt, copy and paste each one of the commands listed below one by one and tap Enter right after you enter each command.
  • net stop wuauserv
  • net stop bits
  • net stop appidsvc
  • ren %systemroot%SoftwareDistribution SoftwareDistribution.bak
  • ren %systemroot%system32catroot2 catroot2.bak
• Once you’ve entered all the commands given above, they will stop all the Windows Update services that are running on your computer as well as clear the SoftwareDistribution folder, and reset the Catroot2 folder. Now you have to start all these Windows Update services you’ve just stopped by executing the following commands:
  • net start wuauserv
  • net start bits
  • net start appidsvc
  • net start cryptsvc
• After that, restart your computer and try to run the setup again, and see if the error is now fixed.

If you are one of the few users who is still burning CDs and DVDs, you might have come across an error that says, “Medium Speed Error” or “Power Calibration Error”. There are several factors that could cause this error but it’s most likely that the CD/DVD burner wasn’t able to determine the Optimum Power Calibration rate properly. So what is Optimum Power Calibration rate? It is a test that runs before the burning process to regulate the optimal laser power needed to complete the job. And if this process malfunctions, obviously, you won’t be able to burn the content on your CD or DVD. There are also cases when the Power Calibration error pops up for some small issues that have nothing to do with the regulation of laser power. Here are some quick fixes you can try to resolve the Power Calibration error when burning a CD or DVD.

Option 1 – Make sure you’re using good quality CD or DVD

A lot of burning issues stem down to the purchase of low CDs or DVDs to make sure that what you are using has good quality for it is not always a good idea to purchase cheap products as cheap products could also mean cheap quality.

Option 2 – Try burning at lower speeds

If you’re certain the problem is not with the CD or DVD you are using then you can try burning again, this time at lower speeds. There are instances when doing things quickly can end in a disaster such as the “Medium Speed Error” or “Power Calibration Error” you’re getting.  To fix the problem, you have to burn at a slower speed and just take the time to wait until the burning process is done.

Option 3 – Try updating your burning software

It’s always a good idea to check if the burning software you’re using requires an update especially if it’s throwing up “Medium Speed Error” or “Power Calibration Error”. Thus, you need to update your burning software right away and then try to burn your CD or DVD once the update has been completed.

Option 4 – Try cleaning the disk drive

You might want to consider cleaning the disk drive using several tools in the market that is designed to clean the disk drive. These tools work on removing dust particles from the lens which helps a lot in the burning quality. Aside from that, it also helps in reducing errors like “Medium Speed Error” or “Power Calibration Error”. So give this option a try as it might time for a disk drive cleanup.

Option 5 – Try to disable the IMAPI

If none of the options given above worked, you might want to disable the IMAPI or Image Mastering Applications Programming Interface. How? Refer to the steps below.

• Open Control Panel by simply clicking the Start button and then typing “control panel” in the field.
• Control Panel should pop up in the search results. Once you found it, click it to open it.
• Next, select System Security > Administrative Tools and then click Services.
• After that, you’ll have to search for the “IMAPI CD-Burning COM Service” option.
• Then right-click on it and select Properties.
• From there, switch the Startup Type from “Enabled” to “Disabled”.
• Now click on Apply and then restart your PC.

If you are not able to access the Windows 10 Advanced troubleshooting options within Windows then you’ve come to the right place as this post will guide you on how you can repair or boot the Windows 10 installation without losing data using the bootable installation USB or DVD media. To repair or boot Windows 10 using the installation media, you have to download the Windows ISO, create a bootable USB or DVD drive, boot from the media and select “Repair your computer” and then select Startup Repair under Advanced troubleshooting. To get started, follow the given steps below carefully. Step 1: Frist, download the Windows ISO. Although this is not necessarily needed, it’s still better if you download the Windows ISO first so make sure that you download the same ISO version as installed on your computer. Step 2: Next, create a bootable USB or DVD drive.

• Insert your USB drive into your PC.
• Tap the Win + R keys to open the Run dialog box and type in “cmd” and tap Enter to open the Command Prompt. Alternatively, you can also search for “cmd” in the Cortana search box to open Command Prompt.
• Once you’ve opened CMD, type in this command to open the DISPART utility – diskpart
• After that, you should see a new black and white window that would say, “DISKPART>”.
• Next, type in “list disk” in the command line and tap Enter to see the list of all the Storage devices as well as your hard disk connected to your PC. Here, you have to identify your disk’s number.
• Type in this command where “X” is the disk number you have identified and then tap Enter – disk X
• Type in this command and hit Enter to clear the table records and all the visible data on the drive – clean
• Now you have to recreate a new primary partition of the drive so you’ll have to type in this command and tap Enter right after – create part pri
• A new primary partition has been created so you have to select it by typing this command and tapping Enter – select part 1
• Now you have to format it to make it visible to normal users by typing – format fs=ntfs quick

Note: If your platform supports the Unified Extensible Firmware Interface or UEFI, replace the “NTFS” with “FAT32” in the command on Step 10.

• After that, type in this command and tap Enter after – active
• Finally, type this command and hit Enter to exit the utility – exit
• After you prepare the image for the operating system, save it to the root of your USB Storage device.

Step 3: After creating a bootable drive, boot from the media and select the “Repair your computer” option. Once you boot from the USB drive, it will start the Windows 10 installation right away. So you must not keep on clicking Next as you will end up installing Windows. You need to look for the “Repair your computer” link on the first installation screen and click on it and then boot your computer into Advanced Recovery. Step 4: Select Startup Repair under the Advanced options screen

• Once you’re at the Advanced Recovery screen, select Advanced Options and select Troubleshoot.
• After that, look for the Startup Repair and click on it and then follow the next on-screen instructions. This solution will help you fix issues that do not allow you to boot into your computer.
• On the next screen, you will see the admin account with its name. Click on it and verify using the account password associated with the email.
• After verification, it will start to diagnose your computer and automatically resolve any detected issues related to boot.
• After the issue is fixed, your computer should reboot normally and you should now be able to use it. Note that your personal files are still intact since the process didn’t delete or wipe them out.

The “Unknown Hard” error that keeps on appearing in Windows 10 can put users in an unpleasant situation. This kind of error leads to the freezing of the taskbar, blackening of the screen, and sudden disappearance of the icons on the Desktop. And each time you try to open Windows, the system will only give you an error message saying that it’s a critical error and some applications like Start and Cortana won’t work. Upon analysis, it seems that the “sihost.exe” is not responding and that it is the one that’s causing the c000021a Unknown Hard error to pop up. Sihost.exe files represent the Shell Infrastructure Host which is an essential component in the Windows operating system. The Windows Shell Infrastructure Host is primarily responsible for handling some graphical elements of the operating system interface such as the Start menu and the taskbar transparency. And so if the Shell Infrastructure or Sihost.exe has stopped, has been removed, or corrupted, you will most likely have issues with the overall functionality of the Windows operating system and you’ll get the Unknown Hard error In addition, the ctfmom.exe Unknown Hard error may also occur due to incompatible drivers installed on your PC. Ctfmom is a process that identifies inputs such as handwriting, languages, and many more. It’s the one that controls the functions of background behavior. To resolve this issue, you need to first try to identify which application is the one that’s running the sihost.exe file. And if needed, you need to either update or reinstall or completely uninstall the problematic application.

Option 1 – Try to run the System File Checker

The SFC Scan or System File Checker, us a built-in utility in Microsoft Windows that can be found in the C:\Windows\System32 folder. This tool allows users to scan and restore any corrupted system files in Windows that might be causing the Unknown Hard error to appear. Before you use this tool, make sure to find out whether the sihost.exe on your computer is a Trojan that you have to remove or if it’s a file that belongs to a trusted Windows application. Once you have that sorted out, follow the steps below.

• Tap Win + R to launch Run.
• Type in cmd in the field and tap Enter.
• After opening Command Prompt, type in sfc /scannow

The command will start a system scan which will take a few whiles before it finishes. Once it’s done, you could get the following results:

1. Windows Resource Protection did not find any integrity violations.
2. Windows Resource Protection found corrupt files and successfully repaired them.
3. Windows Resource Protection found corrupt files but was unable to fix some of them.

Option 2 – Try to use System Restore

You can also try using System Restore. This is one of the ways you can use it to back up your PC. Since restore points are created automatically each week by System Restore, you can use System Restore to restore your computer back to an earlier good point in time.

Option 3 – Try to troubleshoot the error in a Clean Boot State

Putting your PC in a Clean Boot state can help you diagnose and troubleshoot the issues in your system. During this state, you can start the system with a minimum number of drivers and startup programs that will surely help you in isolating the root cause of the Unknown Hard Error.

• Log onto your PC as an administrator.
• Type in MSConfig in the Start Search to open the System Configuration utility.
• From there, go to the General tab and click “Selective startup”.
• Clear the “Load Startup items” checkbox and make sure that the “Load System Services” and “Use Original boot configuration” options are checked.
• Next, click the Services tab and select the “Hide All Microsoft Services” checkbox.
• Click Disable all.
• Click on Apply/OK and restart your PC. (This will put your PC into a Clean Boot State. And configure Windows to use the usual startup, just simply undo the changes.)

After putting your PC in a Clean Boot State, try creating a system restore point and see if the problem still occurs. Clean Boot troubleshooting is designed to help you isolate the problem. For you to execute a clean boot troubleshooting, you must do a couple of actions (the steps are given above) and then restart your PC after every action. You might have to disable one third-party app after the other to really isolate the issue. And once you’ve narrowed down the problem, you can either disable the third-party app that’s causing the problem or remove it. Note that you must switch your PC back into the Normal Startup mode after you’re done troubleshooting the problem. Here’s how you can do it:

• From the “Start” menu, go to System Configuration.
• After that, switch to the General tab and click the option for “Normal Startup”.
• Next, go to the Services tab and clear the checkbox for “Hide all Microsoft services”.
• Then find and click “Enable all” and if prompted, you have to confirm.
• Afterward, go to the Task Manager and enable all the Startup programs and confirm the action.
• Restart your PC when prompted.