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How to change network from Public to Private

If you would like your computer to be discoverable on your network and use print and file sharing you will have to change your network profile on your computer from public to private.

computer network

Follow the provided guide step by step to change your network profile setting:

Switch to private profile in Windows 10

Locate the Wi-Fi icon in your system tray and click on it. Click on properties on your WI-FI network to open the network menu. Inside the menu in the Network profile section enable the Private option.

Your changes will be automatically saved.

Switch profile to private in Windows 11

Find the WI-FI icon in the system tray and right-click on it, then choose Network and Internet Settings. Network & Internet page with open, find your network name at the top and select properties.

On the WI-FI page, in the Network Profile Type section choose Private. As in Windows 10, your changes will be automatically charged, and you can start using them immediately.

Another way around

If you want to switch back to a public profile follow provided steps but disable the private option.

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Power Calibration Error or Medium Speed Error when burning CD/DVD
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.
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How to Fix Windows 10 Error 0x8007007b

Error code 0x8007007b - What is it?

Error code 0x8007007b will present itself when Windows users are trying to activate Windows. You may try to activate it through the update and security option, but it is likely that you will receive the same error code. Error code 0x8007007b may be presented when Windows 7 and Windows 8.1 users try to upgrade and activate Windows 10 on their computer.

Common symptoms include:

  • An error message will display that says Windows cannot be activated. The KMS host cannot be located in the DNS, please have the system administrator verify that the KMS is published correctly in DNS.
  • Error 0x8007007b will be displayed, stating that the file or directory name or the volume label syntax is not correct.

Solution

Restoro box imageError Causes

There are multiple causes for the user to see this error code, including if a user is using volume-licensed media while installing a number of various Windows operating systems. This error may also be caused because the activation wizard cannot connect to a KMS host computer. It is likely that if the user has a volume-licensed form of media, they were likely given a MAK (multiple activation keys).

Further Information and Manual Repair

There are several ways to go about repairing error code 0x8007007b. It is important to try all of the methods, but if it is too difficult or you do not know what you are doing, please do contact a Windows repair technician. They will likely be able to fix the problem with ease.

Method One: Instead of KMS activation, use a Multiple Key Activation

When KMS activation is not used, and when there is not a KMS server, the product key type should then be changed to a MAK. For MSDN (Microsoft Developer Network) or TechNet, the SKUs that are listed on the media are generally volume-licensed media, and that means that the product key that is supplied is a Multiple Activation Key.

To change the KMS to a MAK, click Start, All Programs, Accessories, and then right-click on Command Prompt. Click Run as Administrator. If prompted for a password or confirmation, enter it now.

When the command prompt opens, type in the following command, and press enter after:

slmgr -ipk xxxxx-xxxxx-xxxxx-xxxxx (these x's are representative of the MAK product key).

Method Two

While on the desktop, press the Windows key and R. The Run window should appear, and then you should enter the following command: Slui 3. Press Enter and then wait for the window to appear. This window will ask for the operating system activation product key. Enter the product key and then press the Activate button. Reboot the computer. Now the Error Code 0x8007007b should be gone.

Method Three

Open the Command Prompt with access as administrator as mentioned previously. Enter the following command: sfc /scannow. The command will then complete its task. This will take a good bit of time, so leave the computer to do its work. The sfc must finish the scan. When the scan has finished, reboot the computer. Now you can check for activation. The error code should be gone.

Method Four: When the client can't locate a KMS host on the network to complete activation

This method for correction should be used when the network does have a KMS host computer setup, and the client is not able to locate the KMS host on the network to complete activation.

To verify that the computer does in fact have the KMS host installed. Click Start, All Programs, Accessories, and then right-click on Command Prompt. Run as administrator. If you are now prompted to enter a password or confirmation, do so. When the command prompt box comes up, type in the following command, and then press Enter: nxlookup -type=all_vlmcs._tcp>kms.txt

The command will generate a file, open this KMS file. The file will contain one or more entries. As a default, the KMS host server will dynamically register a DNS SRV server evidence once every 24 hours. In order to check the registry to ensure that this is happening, follow these steps:

  • Click Start, type in regedit, and then press Enter.
  • Locate the key HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindows NTCurrentVersionSL and then click on it.
  • The DisableDnsPublishing subkey should be present and have a value of 1. If it is missing, create a DWORD value by right clicking DisableDnsPublishing, click Modify, in the Value Data box type in 0, and then click Okay.

Method Five: Use An Automated Tool

If you wish to always have at your disposal a utility tool to fix these Windows 10 and other related issues when they do arise, download and install a powerful automated tool.

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How to Fix Explorer.exe System call failed
One of the most critical processes in the Windows 10 operating system is the Explorer.exe. And there are times when you might encounter an error that says, “System call failed”. You can encounter this error when you try to launch File Explorer, and in such case when the File Explorer does not work, it could cause issues in accessing folders and files on your computer. This kind of error pops up when the explorer.exe system file has become corrupted or if there is some process that interferes with its smooth functioning. To fix this error, you can try to restart the explorer.exe process, run both the System File Checker scan and DISM tool. You could also put your computer in a Clean Boot State or uninstall any programs you’ve installed recently. For more details, follow each one of the given suggestions below.

Option 1 – Try to restart the Explorer.exe process

The first thing you can do is try to restart the Explorer.exe process. To do so, refer to these steps:
  • First, right-click on the Taskbar and select the Task Manager.
  • Next, expand the Task Manager window to see all the active processes.
  • From there, look for the Windows Explorer process, right-click on it and select Restart.
  • After that, check if the error is now fixed.

Option 2 – Run System File Checker scan

If restarting the explorer.exe process didn’t work, you can also try running the System File Checker or SFC scan to fix the error. System File Checker is a command utility built into your computer that helps restore corrupted files and missing files. Refer to the following steps to run it:
  • Hit the Win + R keys to launch Run.
  • Type in cmd in the field and tap Enter.
  • After opening Command Prompt, type in this command: sfc /SCANFILE=c:windowsexplorer.exe
Note: If you are using a 64-bit Windows operating system, enter the “sfc /SCANFILE=C:WindowsSysWow64explorer.exe” command instead.
  • Wait until the process is completed and then restart your computer.

Option 3 – Run the DISM tool

You might also want to 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 “System call failed” error. 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 4 – Try running the Check Disk utility

  • In the Windows Search box, type “command prompt” and from the search results, right-click on Command Prompt and select “Run as administrator”.
  • After opening Command Prompt, type this command and tap Enter: chkdsk c: /f /r
  • The command you entered will start to check for errors and fix them automatically. Else, it will throw an error message saying, “Chkdsk cannot run because the volume is in use by another process. Would you like the schedule this volume to be checked the next time the system restarts? (Y/N)”.
  • Tap the Y key to schedule Disk Check the next time your computer restarts.

Option 5 – Put your computer in a Clean Boot State

As pointed out, there are some instances that some conflicting programs installed in your computer might be the one that triggers the “System call failed” error to appear when you try to open File Explorer. To identify which program is causing the problem, you need to put your computer in a Clean Boot State. To do so, follow the steps below.
  • 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.)
  • Once your computer has restarted in a Clean Boot State, perform your scan again and see if it now works, and then start to isolate the problem by checking which one of the programs you installed recently is the root cause of the problem.

Option 6 – Try to uninstall the programs you’ve installed recently

In case you don’t know, freeware software packages aren’t always free as some of them could contain malicious software that can cause serious damage to your computer. Thus, if you have installed a program recently prior to getting the “System call failed” error, then you have to uninstall that program.
  • Tap the Win + R keys to open the Run dialog box.
  • Then type “appwiz.cpl” in the field and tap Enter to open the Programs and Features in Control Panel.
  • Next, arrange the list of installed programs in the order of the installation date.
  • After that, look for the problematic program and right-click on it, and then select Uninstall.
  • Once the process is done, restart your computer and see if the error is fixed.
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Guide to Patching Error Code 34

Code 34 - What is it?

Code 34 is one of the several Device Manager error codes. This error code indicates that a hardware device on your PC is not properly configured.

This usually occurs when the device installed on your system is a non-plug and play. Non-plug and play devices don’t configure automatically and require manual configuration from the users end.

Error code 34 is usually displayed in the following format:

“Windows cannot determine the settings for this device. Code 34”

Solution

driverfix boxError Causes

Error code 34 may be triggered due to several reasons like:

  • Improper device configuration
  • Missing or outdated drivers

Device Manager error codes like code 34 are easy to fix. These error codes don’t indicate any serious PC problem, nor are they fatal like blue screen of death error codes.

Nonetheless fixing it immediately is advisable to ensure the proper functioning of the plugged-in hardware device. If you don’t resolve it, you may not be able to use the device.

Further Information and Manual Repair

When PC users experience error codes like code 34, they instantly think of hiring a professional for repair especially if they lack technical understanding.

If you are not a technical whiz and you are also thinking of hiring a professional for the repair job, then don’t! Here’s why, to begin with, Device Manager error codes can be resolved easily, better yet you can fix it by yourself without spending a dime even if you are not technically sound.

To help you, below is a list of easy and effective repair solutions for error code 34. Try them to resolve the issue.

Method 1 - Configure the Device by Using Device Manager

This is one of the best ways to resolve error code 34 on your system. The procedure will take 5 to 7 minutes. Simply follow the steps illustrated below to configure the problematic device on your PC.

  1. First off, go to the start menu
  2. Now type Device Manager in the search bar and press enter to continue
  3. Now in the Device Manager locate the problematic device and click on it
  4. Click on the resources tab to change the resource settings
  5. Now click on the Use Automatic Settings check box
  6. After that click on the Settings based on the tab and then click on the hardware configuration of the device you want to change
  7. Press resource type in the resource settings box to make further changes
  8. Once that is done, click change settings and type a new value for the resource type

Method 2 - Consult the Hardware Manufacturer for Resource Settings

You may not be able to configure resource settings for some devices in such an event it is advisable to consult your hardware manufacturer. Your hardware manufacturer can provide you with specific resource settings. Follow the manufacturer’s instructions to repair error code 34.

If the error continues to persist even after device configuration, then the problem may be linked to driver corruption. In that case, try method 3.

Method 3 - Download DriverFIX to Update Drivers Automatically

Whether code 34 is caused by outdated or corrupted drivers, simply download DriverFIX to resolve. DriverFIX is an advanced and user-friendly software program deployed with an intelligent programming system.

The software scans your PC to detect all problematic drivers. It finds and matches the latest and compatible versions and then updates the drivers accordingly that too automatically and on a regular basis.

Click here to download DriverFIX to repair Device Manager error code 34 on your PC automatically.

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Fix DRIVER_IRQL_NOT_LESS_OR_EQUAL in Windows
DRIVER_IRQL_NOT_LESS_OR_EQUAL will cause your computer to go to the blue screen of death but do not worry there are solutions around this and we are here to instruct you on how to solve this.
  1.  Uninstall and install network drivers

    DRIVER_IRQL_NOT_LESS_OR_EQUAL is most commonly tied to bad network drivers, whatever that be a corruption of the driver files or their incompatibility. So first thing is to check if this is the case. Press ⊞ WINDOWS + X to open the hidden menu in Windows and click on Device Manager. keyboard with windows and x marked Windows menu device manager In the Device Manager expand Network adapters, choose adapter, right-click on it and choose Uninstall. network device manager Install latest driver or reboot so Windows will install the driver automatically
  2. Update driver

    If you do not want to reinstall the driver or you are unable to for whatever reason updating the driver might do the trick. To update driver: Press ⊞ WINDOWS + X to open the hidden menu in Windows and click on Device Manager. keyboard with windows and x markedWindows menu device manager In the Device Manager expand Network adapters, choose adapter, right-click on it and choose Update Driver. network device manager update
  3. Fix via Command prompt

    If both of the beforementioned solutions fail, try running the command prompt and fix the issue from there. Press ⊞ WINDOWS + X to open the hidden menu in Windows and click on Command Prompt (administrator) keyboard with windows and x markedWindows menu command prompt admin In command prompt type next line and press ENTERDEL /F /S /Q /A “C:\Windows\System32\drivers\mfewfpk.sys Reboot the system
  4. Scan your PC for malware

    Sometimes corruption in the system is caused by malware, Scan your system for malware, viruses, etc.
  5. Check connections or other hardware issues

    If all methods fail, open your PC case and check to see if connections everywhere are properly connected and tight. Clean your PC and turn it back ON
  6. Use system restore

    If anything fails, use Windows system restore and bring back computer into a state where everything was working fine.
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Fix microphone not working in Windows 10
The microphone has become from exclusive niche hardware to everyday requirements. In today's world when we live in a pandemic most of the work has shifted from office to home where people need working computers with microphones, working microphones. So what do we do when the microphone stops working? Keep reading on to find out and hopefully, we will fix this as fast as possible.

Check Microphone Privacy Settings

In 2019, Microsoft introduced new privacy features to Windows that give you more granular control over which apps are accessing your microphone. The side effect of this is that certain apps may be blocked from using your microphone without you even knowing. To find out if this is the issue, go to Settings > Privacy > Microphone. Click Change and make sure the slider is set to On. This will broadly mean that the mic is now enabled on your PC.
Next, make sure the slider under Allow apps to access your microphone is set to On, then look through the list of Microsoft Store apps to make sure the apps you want to use are selected.
You’re likely to be using many apps, not from the Microsoft Store, so to make sure these are enabled, scroll down even further and set the Allow desktop apps … slider to On.

Check Microphone Driver

The outdated or corrupted driver could be the issue for the microphone not working in Windows 10. To check the driver status, follow these steps:
  1. In your Start menu search for Device Manager
  2. In the device manager window search for sound and expand it.
  3. Once expanded, you should see your audio drivers. Note that the names of these will vary depending on the manufacturer.
  4. On Audio, right-click, and select properties. On the General tab, check to see if the device is working properly.
  5. If it is not working properly, click on the driver tab and select the update option.
  6. Repeat for the other audio drivers.
  7. Restart the computer.

Check the Sounds setting

  1. In the taskbar, right-click on the speaker icon at the far-right corner and select the sound option.
  2. On the Recording tab, click on the microphone and select the Properties option.
  3. Select the levels tabs and increase the volume for both microphone and microphone boost.
  4. Go to the Enhancement tab of the same pop-up and make sure that the immediate mode checkbox is checked.
  5. Click Ok and restart the computer.

The sound troubleshooter

  1. Right-click on the sound icon at the far-right corner of the taskbar and select troubleshoot sound problems.
  2. The computer will detect any fault that exists with your audio and recommend fixes for you. You just need to read through the prompts and click the options that you think will work for you.

Try microphone on another computer

If previous steps have not produced results, try the microphone on another computer, if it is not working there then it is a hardware malfunction
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Fix wdf01000.sys BSOD Error on Windows
If you encounter a Blue Screen error that points to the Wdf01000.sys file, then this post might be of help. Wdf01000.sys is a file related to the Windows Driver Framework which is the one that manages the system drivers. So if this file ends up being corrupted, the drivers would start to cause trouble in the system which would lead to a Blue Screen of Death error eventually. There are lots of error descriptions that are associated with the Wdf01000.sys file such as:
  • DRIVER_IRQL_NOT_LESS_OR_EQUAL
  • System_Thread_Exception_Not_Handled
  • Page_Fault_In_Nonpaged_Area
  • System_Service_Exception
  • Kmode_Exception_Not_Handled
  • DRIVER_VERIFIER_DETECTED_VIOLATION
Although the troubleshooting steps you must take depends on the kind of BSOD error you are getting, there are a couple of options you can try to resolve the Blue Screen errors related to the Wdf01000.sys file. Refer to the options given below.

Option 1 – Try running the DISM tool

You can try running the Deployment Imaging and Servicing Management or DISM tool to fix the Wdf01000.sys Blue Screen error. Using this built-in tool, you have various options such as the “/ScanHealth”, “/CheckHealth”, and “/RestoreHealth”.
  • Open the Command Prompt with admin privileges.
  • Then type in the following commands and make sure to hit Enter right after you type each one of them:
    • Dism /Online /Cleanup-Image /CheckHealth
    • Dism /Online /Cleanup-Image /ScanHealth
    • exe /Online /Cleanup-image /Restorehealth
  • Do not close the window if the process takes a while as it will probably take a few minutes to finish.

Option 2 – Try to update or rollback your device drivers

If the first option didn’t work for you, then it’s time to either update or roll back the 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.
  • Then locate the device drivers and right-click on them to open the Properties.
  • After that, switch to the Driver tab and click on the Uninstall Device button.
  • Follow the screen option to completely uninstall it.
  • Finally, restart your computer. It will just reinstall the device drivers automatically.
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 3 – Use the Driver Verifier Manager

The Driver Verifier Manager is another tool in Windows that could help you fix driver-related issues. And so if you want to fix the Wdf01000.sys Blue Screen error, you need to use the Driver Verifier Manager:
  • Type in the keyword “Verifier” in the Cortana search box to search for Verifier in Windows 10.
  • After that, select the option “Create custom settings”.
  • Make sure that you have checked everything except the options “DDI compliance checking” and “Randomized low resources simulation”.
  • Next, select the option “Select driver names from a list” option.
  • Afterward, you have to select all the drivers from any unofficial or third-party provider. To simply put it, you have to select all the drivers that are not supplied by Microsoft.
  • Then click on the Finish button.
  • Open Command Prompt as administrator and execute this command – verifier /querysettings
  • The command you just executed will display the Driver Verifier settings so if you see any of the flags enabled boot your Windows 10 PC into Safe Mode.
  • Open the Command Prompt as admin again and run this command – verifier /reset
  • The command will reset the Driver Verifier. Once the process is done, restart your PC and check.

Option 4 – Run the System File Checker Scan

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. To run the SFC command, follow the steps given 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.
  • Reboot your computer.

Option 5 – Run the Blue Screen Troubleshooter

The Blue Screen troubleshooter is a built-in tool in Windows 10 that helps users in fixing BSOD errors like Wdf01000.sys. It can be found on 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.
  • 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.
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Windows Updates failed to install, 0x80073701
Recently, a number of users reported an error while trying to update their computers. This particular Windows Update error has an error code of 0x80073701. If you are one of the users who encounter this error, then read on as this post will guide you on how exactly you can fix it. Here’s the exact context of the error:
“Updates failed. There were problems installing some updates, but we’ll try again later. 2019-07 Cumulative Update for Windows 10 Version 1903 for x86-based Systems (KB4507453) – Error 0x80073701”
The Windows Update Error 0x80073701 also comes with a code “ERROR_SXS_ASSEMBLY_MISSING” which indicates that some system files are missing on your computer that caused the update installation failure error. Although this Windows Update error does not cause any severe issues, it is still being reported in the section of Windows Update where it is marked as “Update failed”. There are several potential solutions you can check out to resolve this error. You can try to run the DISM tool or the SFC or System File Checker scan. You could also try to run the Windows Update troubleshooter. For more information, make sure to follow the options given below.

Option 1 – Restart your computer and try installing the Updates again

Restarting your computer can also help in fixing the Windows Update failed to install error 0x80073701. There are cases where the issue resolves on its own as it could just be some simple network or PC error.

Option 2 – Try to run the DISM tool

Running the DISM Tool helps in repairing the Windows System Image as well as the Windows Component Store in Windows 10. Using this built-in tool, you have various options such as the “/ScanHealth”, “/CheckHealth”, and “/RestoreHealth”.
  • Open the Command Prompt as admin.
  • Then type in this command: exe /Online /Cleanup-image /Restorehealth
  • Do not close the window if the process takes a while as it will probably take a few minutes to finish.
After you run this tool, a log file is created at C:WindowsLogsCBSCBS.log. On the other hand, if the Windows Update client is already broken, you will be prompted to use a running Windows installation as the repair source or use a Windows side-by-side folder from a network share, as the source of the files. Although the chances of this happening is less, if it turns out to be the case, you need to run an advanced command in the DISM tool to repair a broken Windows Update. Just repeat the process above but use the following command instead:
DISM.exe /Online /Cleanup-Image /RestoreHealth /Source:C:RepairSourceWindows /LimitAccess

Option 3 – Try to 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 causing the error 0x80073701. To run the SFC command, follow the steps given 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.
  • Restart your computer.

Option 4 – Try running the Windows Update Troubleshooter

Running the built-in Windows Update troubleshooter could also help you resolve the Windows Update error 0x80073701. 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.
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Removing old drivers from Windows 10
So you have just got home from that new computer store with your fancy and all-new mouse, screen, keyboard, etc. You plugged in your new component, Windows detected it, installed drivers for it and it is working like a charm. A few months later down the road and the computer starts little by little to slow down. Plug and play is a great concept, and automatic detection is even greater but how time passes old unused stuff piles in your hard drive and in Windows itself thus slowing down your computer and taxing it more and more as new components and software are added. Old drivers from old components sadly are not removed from Windows itself and over some larger period of time they can pile up and slow down your daily operations on the computer or even cause some problems in it. This guide will teach you how to manually remove old unused device drivers from your Windows so it is fresh and like new again.

Making old devices visible

In order for us to remove old drivers, the first thing we must do is make them visible in our device manager, old drivers are hidden and will not show up, we must make this happen. We do this by pressing WINDOWS + X keys on your keyboard to bring up a hidden menu in Windows. keyboard with windows and x markedOnce the menu appears, click on Command Prompt (admin) Windows menu command prompt adminOnce the command prompt with administrator privileges comes on-screen type in it following string: The device manager will open, go to view > snow hidden devices in order to show unused devices. device manager show hidden devices

Removing old device

Open any category and if there is a device that was once used and still has its drivers in the system it will be shown as faded out. device manager hidden device shownRight-click on the device and click on uninstall device to remove it completely from your system. device manager uninstall device driverPlease always be careful when removing devices so you do not remove the device which is being used by mistake and always double-check that you are removing something that you used to have on your system. This method will show all hidden devices even ones that are hidden but crucial to the system working properly.
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Fix Windows Activation error code 0xC004F078
As you know, Windows 10 has a complicated mechanism for Activation which helps in the verification of a genuine copy of Windows 10. However, there are times when you might encounter some errors during the activation process. One of these errors is the error code 0xc000f074. This kind of error could be due to the Key Management Service or KMS which is unreachable by the client computer or if the key used in the SLSetAuthenticationData function call is incorrect. This kind of error mostly affects surfaces on computers that are upgraded from either Windows 7 or Windows 8.1 to Windows 10. In such cases, you may encounter any of the following error messages:
“Windows is unable to reach your company’s activation service. Please connect to your corporate network. If you are connected and continue to see the error, contact your system administrator. You can also click on the error detail to find the exact error. Error code: 0xC004F074.” “Activating Windows(R), (Key hash)… Error: 0xC004F074 The Software Licensing Service reported that the computer could not be activated. No Key Management Service (KMS) could be contacted. Please see the Application Event Log for additional information.” “Error 0xC004F074, SL_E_AUTHN_MISMATCHED_KEY, The Software Licensing Service reported that the key is mismatched.”
To fix the Windows 10 Activation error 0xC004F078, you have to use the correct key for your type of Windows copy or use Command Prompt to reinstall the key or you could also try running the Activation troubleshooter.

Option 1 – Try running the Windows 10 Activation Troubleshooter

The first thing you can do to resolve the Activation error code 0xc000f074 is to run the Windows 10 Activation Troubleshooter. To do so, follow these steps:
  • Go to Settings and then select Activation.
  • After that, click on the Windows Activation and then troubleshoot. This will help you address most of the commonly found activation issues in Windows devices.
The Windows 10 Activation Troubleshooter will determine if your license key is a valid Windows 10 digital license for an edition that is not currently installed. If it turns out that it’s not, then the troubleshooter will show you how to install the correct edition.

Option 2 – Try to use the correct key for the type of Windows version you have

If the Windows Activation troubleshooter wasn’t able to resolve the error, then you can try using the correct key for your type of Windows version. All you have to do so is check the type of your Windows copy if it’s OEM, retail, or volume. And make sure that you have the correct, valid product key for your operating system.

Option 3 – Try to use Command Prompt to reinstall the key

  • In the Start Search, type “command prompt” and right-click on Command Prompt from the search results, and then select “Run as administrator”.
  • After that, execute this command to uninstall the existing key: vbs /upk
  • Next, you need to install the KMS product key by executing this command: vbs /ipk <The KMS Product Key>
  • Once you’re done, you will see a prompt that’ll tell you whether the operation was either successful or not.
  • To active, the KMS product key online, use this command: vbs /ato
  • Use this command to activate the key using the telephone: exe 4
  • After you’ve activated the KMS product key, restart the Software Protection Service. You can also verify the Activation Status to check if your fix was successful or not.

Option 4 – Contact Microsoft Support for assistance

If you’re at your wits’ end in trying to upgrade your computer, you should consider contacting Microsoft Support for help as they can offer you various options that would make fixing Windows Activation error code 0xc000f074 a lot easier and faster.
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