Fixing Error code 15 or Error code 16

Recently, a number of users reported seeing plain white icons on their “.docx” files instead of the Word icon. This kind of issue is mostly caused by a conflict with the default program settings in Windows which is why you may not see any Microsoft Word icon on your .docx files. So if you suddenly find that the Microsoft Word icon is either blank or missing and does not show properly on .doc and .docx document files of Office on your Windows 10 computer, then you can check out the potential solutions outlined below. Before you proceed, you can try to restart your computer as there are instances when a simple system restart can resolve some issues like this one. However, if it does not help, create a System Restore point first. This is to ensure that you can always undo the changes you are about to make in case something goes wrong. Once you have that covered, proceed to the following options.

Option 1 – Try to configure .docx files to open with “winword.exe”

You can try configuring the .docx files to open with the winword.exe in order to fix the problem.

• Right-click on a .docx file and select the “Open with…” option.
• After that, if a prompt appears with a message saying, “How do you want to open this file”, select the “More apps” option to proceed.
• Next, scroll down and check the checkbox that says, “Always use this app to open .docx files” option.
• Then click on the “Look for another app on this PC” link and choose the WINWORD.exe application from one of the following paths based on the installed Office version in your computer and click Open:
  • Word 2016 (64-bit): C:/Program Files/Microsoft Office/root/Office16
  • Word 2016 (32-bit): C:/Program Files (x86)/Microsoft Office/root/Office16

• Now check if you can now see the Word icon on the .doc or .docx files.

Option 2 – Try changing the default Word icon via Registry Editor

• Tap the Win + R keys to open the Run utility.
• Then type “Regedit” in the field and hit Enter to open the Registry Editor.
• Next, navigate to this path located in the left pane: HKEY_CLASSES_ROOTWord.Document.12DefaultIcon
• From there, double click on the default value at the right pane and based on the Word version you are using as well as the architecture (32 bit or 64 bit) and then copy-paste the corresponding value in the Value data box:
  • For Word 2016 (64-bit) keep it as C:/Program Files/Microsoft Office/root/Office16/wordicon.exe,13
  • For Word 2016 (32-bit) Keep it as C:/Program Files (x86)/Microsoft Office/root/Office16/wordicon.exe,13

• Once you’re done, tap Enter and then close the Registry Editor.
• Restart your computer and see if the problem’s fixed.

Option 3 – Try to rebuild the Icon cache

You may want to rebuild the Icon cache as it could also help fix the issue.

• Tap Win + E to open File Explorer and then click Folder Options and click Views to show Hidden System Files.
• After that, go to C:Users%username%AppDataLocal folder and look for a file named Iconcache.db and delete it.
• Next, go to C:Users%username%AppDataLocalMicrosoftWindowsExplorer.
• From there, look for the following files and delete them.
  • iconcache_32.db
  • iconcache_48.db
  • iconcache_96.db
  • iconcache_256.db
  • iconcache_1024.db
  • iconcache_1280.db
  • iconcache_1600.db
  • iconcache_1920.db
  • iconcache_2560.db
  • iconcache_exif.db
  • iconcache_idx.db
  • iconcache_sr.db
  • iconcache_wide.dd
  • iconcache_wide_alternate.db
• Restart your computer. This will purge and rebuild the icon cache.

Option 4 – Try fixing Office apps

Fixing the Office apps can help you resolve the Word icon issue. All you have to do is open Settings > Apps. From the app list, look for the Microsoft Office Desktop apps and select it and then click on the Advanced options and click Fix. After that, wait until the process is completed and restart your PC. However, if the problem still persists, repeat the steps again but this time, click on Reset instead of Fix.

Option 5 – Try to repair Office Installation

If the options given above didn’t work, you can try to repair the Office installation and see if it can fix the problem.

• Open Control Panel and click on Programs and Features.
• Next, right-click on the Office program that you want to repair which in this case is, Word.
• Select Change and click Repair > Continue. After that, Office will start to repair Microsoft Word.
• Wait until the process is done and then reboot your computer.

Crash Dump is a type of malfunction that can happen when a few portions of the processor's data or RAM memory are erroneously copied to one or more files. It is common among Windows PCs. It used to be most prominent on the Windows 95 edition but subsequent versions have mostly remedied the situation. Even with the remedies over time though, this error still occurs.

Error Causes

A Crash Dump usually points to some serious and critical errors with your Computer. Below are some of the possible causes for this error:-

• Corrupt memory
• Incorrect configurations on hardware
• Programming errors.
• Incompatible drivers
• Faulty Operating system

Despite the listed causes for Crash Dumps. Nobody is ever ready for them. A crash dump is classified as an unexpected error simply because it can happen anytime.

Further Information and Manual Repair

Most PC users get scared and anxious when a crash dump happens. Which need not be the case. You can easily repair a Crash Dump without necessarily requiring a computer technician. Follow these simple steps and the malfunction will soon dissipate:

a) Re-Install the Operating System

Put the setup CD into the computer disk drive. Once you've completed this, reboot the pc.

b) Push F8

Push the F8 function key on your keyboard while the pc is re-booting. This takes you to a menu where you should choose “Advanced Boot Options”

c) Click "Repair My Computer"

As soon as you push the F8 option, and do what's suggested in the last measure above, you must click on "Repair My Computer" and press the "Return/Enter" key.

d) Click on the "Startup Repair"

Search for the start-up repair option, and choose it. Subsequently, move to Next. Using this method, the cause of the Crash dump will undoubtedly be recognized and ended after a thorough scan of your system. Additionally, it is smart to take note of the whole Crash Dump information that appears on your screen. Windows supplies you with detailed error messages. Write down each of the error codes in hexadecimal values as well as capital characters as displayed on the screen.

• Disconnect Hardware  and Un-Install all Drivers

Disconnect and remove any new hardware that is causing your PC to crash dump. Uninstall any drivers you used to install the hardware. If this solves the problem, contact the hardware manufacturer and request the latest and updated device drivers. At length, prior to starting panicking, see the error information that appears on your own display. Browse to see whether it includes info on a certain driver that you ought to search for and install. Bottom line, remain calm when your computer crash dumps and use the mentioned steps to repair it.

There are times when you try to open a file, an executable file for instance, but were unable to do so since you encounter an error in an Open File – Security Warning dialog box that says, “This publisher has been blocked from running software on your machine, You must unblock this publisher to run this software”. This kind of error is most likely thrown by your operating system because it considers the file to be unsafe and could potentially harm your computer. However, if you’re certain that the file is harmless, read on as this post will walk you through fixing the error so you can open the file without getting an error. There are various options you can check out to fix the error. You may run the program using Command Prompt or unblock it using File Properties. You could also try turning off SmartScreen or use the unblock file command in Windows PowerShell.

Option 1 – Try running the program via Command Prompt

• Tap the Win + R keys to open the Run dialog box and type “cmd” in the field and hit Enter to open Command Prompt.
• Next, tap the Shift key and right-click on the program or the executable file, and then select the “Copy as path” option.
• After that, paste this path in the Command Prompt window and tap Enter to open the program.

Option 2 – Try to unblock the file using File Properties

• Right-click on the file you were trying to open and select Properties.
• Next, click the Unblock button and then click on the Apply and OK buttons.
• You should now be able to open or access the file without getting the error.

Option 3 – Turn off SmartScreen

The next thing you can do is to turn off SmartScreen temporarily. All you have to do is open the Windows Defender Security Center and from there, go to the App & browser control section. After that, click on the radio button for Off under Check apps and files. Once you’re done, try opening the file again. Don’t forget to enable the SmartScreen back on.

Option 4 – Try to use the Unblock-File command in PowerShell

You might also want to utilize the Unblock-File command in Windows PowerShell as it will unblock the file so you can open it. To execute this command, follow these steps:

• Tap the Win + X keys and then click on Windows PowerShell.
• After opening PowerShell, type or copy and paste this command and tap Enter to execute it: Get-ChildItem -Path 'C:Users<username>Downloads' | Unblock-File
• The command you entered will unblock all the files in the Downloads folder, assuming that’s where the file you were trying to open is stored. If it’s not, then replace the path with the path where the file is located. Take note to also replace “<username>” with your Username.
• Now check if the file has been unblocked by accessing or opening it.

rtf64x64.sys Blue Screen error happens in random intervals but it is a regular occurrence, it can happen when playing games, when watching movies, or even when the computer is idle. in this article we will guide you on how to resolve this error from the most simple steps you could take and do not worry, altho the error seems dreadfully and scary, it is nothing to worry about. If you can boot Windows normally after error great, proceed with instructions, else reboot into safe mode or use installation media to boot.

1. Use official Microsoft online troubleshooter Microsoft has an online blue screen troubleshooter that was made specifically for this kind of situation. Go to Troubleshoot screen error and answer questions needed. Most of the time this will be enough to solve any blue screen issue.
2. Update network and sound drivers How is this error traced back to Realtek devices, go to the Realtek website and download drivers. Install them and reboot the system.
3. Use a dedicated software solution DRIVERFIX is an application made for these and other kinds of driver issues and problems, it is one click automated solution for driver fixing. Visit the Driverfix site and download the application
4. Perform system Restore If you have not managed to fix the issue with previous steps roll back to a previous restore point when everything was working.
5. Replace network or sound card If everything failed including system restore then it is likely that it is a hardware malfunction. Replace faulty components and you should not receive errors anymore.

In today's age of smart gadgets and complete replacement of even some simple things with their smart counterpart, it is not really a surprise to see some strange innovations that try to take advantage of modern technology.

One of these innovations is a smart book, or to be more precise smart note, a reusable notebook that could be connected to your phone.

Why Rocketbook Fusion smartbook

One thing that could justify, well it should justify buying Rocketbook is the preservation of trees and the environment since it can be reused. The second argument would be its price since it is not expensive considering what it offers.

On top of all, you also have a free application for your phone in order to take full advantage of it.

What is a smartbook?

Imagine this scenario, you have a notebook of 42 pages with several different page styles inside. You write in it and after it is filled you upload its content to your email or cloud service of your choice, get a cloth, erase everything and start again from zero.

So as mentioned notebook comes with 42 pages of various page styles. Most of the pages are either lined or dotted but the notebook also includes a monthly calendar, two-week detailed calendar pages, and three pages for project or idea tracking. Since everything can be erased this is enough variety to cover all basis and eliminate any need for another workbook ever.

When you feel like you want to save work or once it is filled you can easily upload and save the workbook from the scan page option in the free Rocketbook app. Once scanned pages can be uploaded to your preferred cloud service or sent to your email.

Now in order to write and be able to erase any of Rocketbook's notebooks, you will have to use Pilot's Frixion writing pens. They will dry around 15s on the page and can be of course easily wiped with a damp microfiber cloth that is included with the purchase. One pen also comes with a workbook when purchased.

Application

Application has cool features, of course, the most important and most useful one is setting your upload scan destination so when you scan your pages they get automatically uploaded to your chosen destination.

In the application settings, you can also toggle some handwriting recognition features that will allow you to easily search your uploaded documents. For example, you can search through documents just by writing now or two words. There is also a Smart List feature as well that will take your checklist and make it into a virtual checklist.

The app also has a fun Explore section where you can find all sorts of fun hacks and different ideas on how to use your Rocketbook.

If you have or are currently getting a troublesome error saying, “The boot selection failed because a required device is inaccessible” when you boot your computer, then continue reading as this post will give you some suggestions that may help you resolve the error. This pesky error pops up during the booting process of your computer and prevents you from booting to your Windows 10 PC and displays the error message on a black screen instead. To fix this problem, here are some suggestions you need to check out.

Option 1 – Try checking the boot order in BIOS

• Turn on your PC and repeatedly tap the Setup key right away about once every second until you see the Computer Setup Utility or the BIOS settings.
• Then use the right arrow key to select the Security menu and then use the down arrow key to select the Secure Boot Configuration option and then tap Enter.
• Just a heads up, before you can use Secure Boot Configuration, a warning will pop up. Simply tap F10 to continue to the menu. After opening it, use the down arrow key to select Secure Boot and then the right arrow key to set the setting to Disable.
• Next, select the Legacy Support option using the down arrow key and then the right key to set the setting to Enable.
• Now tap F10 to confirm the changes and then use the arrow key to select File menu and then the down arrow key to select Save Changes and then Exit and tap Enter to select Yes. From there, your computer should restart and once it does, use the power button to switch it off.

If you are now able to boot from your hard drive, you need to know which option to choose once the boot menu pulls up. Refer to the steps below to easily boot from your hard drive.

• Tap the power button to boot your PC. Once your PC starts, a message will appear indicating that the boot mode has now changed.
• Next, you’ll see a security screen displaying a four-digit code. Type in this four-digit code and tap Enter.
• After that, tap the power button to turn the computer off and wait for a couple of seconds and then turn your PC on and tap the ESC key right away repeatedly until you see the Startup menu.
• Now tap F9 to open the Boot Menu and use the down arrow key to select the hard disk and make sure to select it by tapping Enter on your keyboard.
• Restart your PC and check.

Option 2 – Try running the DSKCHK Check from the Recovery Media.

The DSKCHK utility scans your hard drive for any errors, bad files, or corrupt sectors so this should help in fixing the problem.

• The first thing you need to do is to download the Media Creation Tool from Microsoft and then open it after the download. The file should be “MediaCreationTool.exe”.
• Then tap Accept to agree to the terms and conditions and then from the initial screen, select the “Create installation media (USB flash drive, DVD, or ISO file) for another PC” option. Keep in mind that the language, architecture, and edition of the bootable drive will be selected based on your PC’s settings but you have to uncheck the Use the recommended options for this PC in order to choose the correct settings for your own computer that’s getting the error.
• Now click Next and then click the USB drive or DVD option once prompted to select between USB or DVD depending on what device you are using to store this image on. Then click Next and select the required drivers from the list of storage devices currently connected to the computer.
• Click Next. After that, the Media Creation Tool will proceed to download the files needed to install and create the installation device.
• The next thing you have to do is to insert the installation drive.
• After that, you will see the “Choose your keyboard layout” window so select the one you prefer and then the Choose an option screen will pop up.
• Go to Troubleshoot > Advanced Options > Command Prompt. After opening Command Prompt, input the following command and hit Enter.

CHKDSK /R /X C:

• Now boot your PC without the recovery drive and check if the problem’s fixed or not.

Option 3 – Try resetting the BIOS

• Open the computer case and then look for the battery in the motherboard. If you can’t find it, you can seek out the motherboard or computer documentation of your PC as well as browse the web or contact the manufacturer for further assistance.
• Removing the battery should be easy especially if your computer uses a coin cell battery. Just use your fingers to grab on the edge of the battery then pull it up and out of the socket that’s holding it in place.
• Keep the battery removed for about 10 minutes and then insert it back and try booting into the BIOS.

Option 4 – Try using the Startup Repair

• Inject the installation drive you created earlier and boot your PC.
• Select the keyboard layout from the Choose your keyboard layout window.
• From there, the Choose an option screen pops up. Navigate to Troubleshoot > Advanced Options > Startup Repair.

The feature that was originally planned for now scrapped Windows 10X is included in Windows 11. You will be able to customize your Virtual desktop with different wallpapers for each screen. In order to fully customize your virtual desktops with different wallpapers follow this easy step-by-step guide.

1. Click on the Task View button in the taskbar
2. When the Task View opens, select the desktop on which you want to set wallpaper
3. The view will switch to the selected desktop. Right-click anywhere on the desktop and select personalize
4. In personalization settings, click on the background
5. Select wallpaper which you would like to have on the desktop by clicking on browse and navigating to the desired one
6. Close the settings
7. Repeat for each virtual desktop you would like to customize

Error Code 0xC1900101, 0x30018? - What is it?

Users, when upgrading to Windows 10 from Windows 7 or Windows 8/8.1, or when upgrading to a new version, build, service pack, or major update of Windows 10, can encounter error code 0xC1900101, 0x30018. Windows 10 installation fails and stops or hangs. During the installation process, it will reach a certain maximum limit (normally at 6% or 32%) then reverts back to the previous version of the operating system and displays the following message:

We couldn’t install Windows 10. We’ve set your PC back to the way it was right before you started installing Windows 10.

0xC1900101 – 0x30018 The installation failed in the FIRST_BOOT phase with the error during the SYSPREP operation.

Solution

Error Causes

In attempting to fix Error Code 0xC1900101-0x30018, it is vital to know what causes this issue. The most probable causes of this error are:

• Incompatible hardware or driver
• Incompatible security programs or antivirus or incompatible utility software
• A device driver possibly stopped responding to setup.exe while on the installation process.

In some cases, you might be opened to other error messages when attempting to update to Windows 10, including error code 8007002c.

Further Information and Manual Repair

In fixing issues related to error codes, it is best to employ manual repair methods. Using these methods helps users pinpoint the root causes of the issue and apply solutions permanently to fix the issues. While most manual repair methods can be done by every Windows user, even those without technical abilities, there are certain cases where help from a Windows professional is needed. If you’re not up to facing risks in implementing manual methods yourself, consider getting help from a professional Windows technician or you can use a powerful automated tool. In fixing Error Code 0xC1900101-0x30018, you can repeat the same steps used for 0xc000021a (Method One) or you can try doing the following:

• Disable or uninstall your Antivirus program before proceeding to upgrade the system
• Ensure that the machine name is simple (having at least 8 characters) with no special characters like hyphens or dashes.
• Restart the device a few times then try again.
• Disable General USB Devices such as the Smart Card Reader.
• If you use an SCSI hard disk, ensure that you have available drivers you can use for your storage such as a thumb drive and make sure that it is connected. During the Windows 10 setup, select the Custom Advanced Option and use the Load Driver command to be able to load the suitable driver for the SCSI drive. If this fails, try switching to an IDE-based hard disk.
• You can now perform a clean boot. Restart your device then try again.
• If you are using the .ISO file for upgrading the system, you need to disconnect from the Internet first before proceeding to the setup. If you are connected to Wi-Fi or by Ethernet (LAN), make sure to disable both connections then you can proceed to set up again.
• If you’re performing the update through Windows Update, once the download reaches 100%, disconnect from the Internet, and then proceed with the installation.

NOTE: If this fails, if possible, you can try using the .ISO file in upgrading.

• Switch to a local account if the device is connected to a domain.
• Disconnect all external devices attached to the computer such as gaming controllers, printers, or USB keys.

If you’re using Windows Update in installing Windows 10, you can implement the following:

1. Open the Command Prompt window by pressing Windows Key + X. Select Command Prompt (Admin) from the menu.
2. Stop the BITS, Cryptographic, MSI Installer, and the Windows Update Services. In order to do this, Type or Copy and Paste the following commands one at a time:

NOTE: Don’t forget to hit Enter after every command.

net stop wuauserv

net stop cryptSvc

net stop bits

net stop msiserver

3. Rename the Catroot2 and SoftwareDistribution In order to do this, Type or Copy and Paste the following commands one at a time:

NOTE: Don’t forget to hit Enter after every command.

                        ren

C:WindowsSoftwareDistribution SoftwareDistribution.old

                          ren

C:WindowsSystem32catroot2 Catroot2.old

4. Restart the BITS, Cryptographic, MSI Installer, and the Windows Update Services. In order to do this, Type or Copy and Paste the following commands one at a time:

NOTE: Don’t forget to hit Enter after every command.

net start wuauserv

net start cryptSvc

net start bits

net start msiserver

5. Type Exit in the Command Prompt then close the Command Prompt window then restart the computer.

Can’t seem to put up with the long and technical manual repair process? You can still fix this error by downloading and installing a powerful automated tool that will surely get the job done in a jiffy!

One of the worst problems users can encounter on their computers is Blue Screen of Death errors as some of them are quite hard to fix. One of them is the “The driver detected a controller error” Blue Screen error. It could be followed by “DeviceIdeIdeport0 OR”, “on deviceharddisk0dr0”, or “DR3” or the name of the drive or port that’s causing the problem. If you are one of the users who encountered this error, then the suggestions provided in this post would definitely help you in fixing the problem.

Option 1 – Try to disconnect and reconnect all hardware and cables

A lot of users reported that they were able to fix the problem by disconnecting and reconnecting cables and hardware like scanners, printers, cameras can help in fixing the problem. In addition, you can also boot your computer in a Clean Boot State so that you can find the problematic hardware by hit and trial method. Refer to the steps below to do so:

• 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.)

Option 2 – Update the device drivers

Updating the outdated device drivers in your computer can also help in fixing the problem. To do so, refer to these steps:

• First, boot your computer into Safe Mode.
• After that, tap the Win + R keys to launch Run.
• Type in devmgmt.msc into the box and tap Enter or click OK to open the Device Manager.
• After that, a list of device drivers will be displayed. From there, look for any outdated device drivers and click on each one of them.
• After that, right-click on each entry of the device drivers and select the “Uninstall Device” option from the menu.
• Now restart your computer.
• After restarting your computer, go to the Settings app and Check for Updates in the Windows Update section.

Option 3 – Try to update the BIOS

Updating the BIOS can help you fix the ATTEMPTED_WRITE_TO_READONLY_MEMORY 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 4 – Try running the Blue Screen Troubleshooter

You might also want to run the Blue Screen troubleshooter. It is one of the built-in tools in Windows 10 that helps users in fixing system issues including Blue Screen errors. 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.

Option 5 – Try running the Memory Diagnostic Tool

The Memory Diagnostic tool in windows can help resolve the “The driver detected a controller error” 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.

Note: After you select your preferred option, your computer will restart and check for memory-based issues. If it finds any issues, it will automatically fix them and if there’s no issue found, then it’s most likely not a memory-based issue so you should try the other options given below.

Option 6 – Replace your motherboard

If your computer is still under warranty, you should consider replacing your computer’s motherboard in case the options given above failed to work in fixing the Blue Screen error.

Error Code 0xc004f050 – What is it?

Error code 0xc004f050 refers to a problem with activating the Windows key. The problem appears when you try to activate a copy of Windows by using Windows Activation wizard. This happens when the system becomes unstable and critical system files start missing. Though Windows 10 is a free upgrade for Windows 7/Windows 8/Windows 8.1 users, the activation error is still an issue. If you already had Windows 7/Windows 8/Windows 8.1 activated and did an upgrade successfully, then there should be no problem. This Problem Occurs only when you do a clean install.

Symptoms

When you try to activate a copy of Windows Vista or Windows 7 by using the Windows Activation wizard, you receive an error similar to the one below:

An error has occurred Code: 0xC004F050 Description: The Software Licensing Service reported that the product key is invalid

Solution

Error Causes

• This causes due to an invalid product key.
• This problem may occur if the license validity interval has expired, or if the license is not signed correctly.
• Error Code 0xc004f050 occurs when the system becomes unstable and critical system files start missing.
• Improper way of installing, deletion of some very important system files, misconfigured system files, etc. may also cause this error.
• When you do a clean install, it wipes everything from the Primary Drive and after the install, windows can't find the Hardware ID which is used to verify your license.
• For Windows 7, Windows Server 2008, and Windows Vista-based computers, this error may occur if you have entered the key for a beta version of the operating system while using the released version of the operating system.

Further Information and Manual Repair

This error is not something that can be fixed in seconds but will require some time and technical knowledge.

Method 1:

Re-insert the product key by using the Change Product Key tool:

1. Click Start, click Computer, and then click System properties on the toolbar.
2. In the Windows activation section, click Change product key.
3. If you are prompted for an administrator password, type the password or click Continue.
4. In the Product key box, type the product key, and then click Next.
5. Follow the steps in the Windows Activation Wizard to complete the activation process.

Method 2:

Activate Windows by using the automated telephone system:

1. Click Start, and then click Computer.
2. Click System properties on the toolbar, and then click Click here to activate Windows now in the Windows activation
3. If you are prompted for an administrative password, type it and click Continue.
4. Click Show me other ways to Activate.
5. Click Use the automated phone system and follow the instructions.

Method 3:

1. Clean install Windows 7/Windows 8/Windows 8.1 using the installation disk and activate your copy.
2. Now, download all the updates to see the Windows 10 Upgrade notification or download Windows Media Creation Tool and use the option Upgrade this PC to get Windows 10 right away.
3. Once the upgrade is done, check the Activation Status. It will be fully activated as it should be. The Error code 0xc004f050 should not appear anymore.

If you want to get rid of the old Windows installation folder, then use the Windows Media Creation Tool to create a Flash Drive. Clean Install Windows 10. Now, every time when it asks for a product key, skip it. After installation is complete, Windows will automatically identify and activate your Copy. NOTE: Clean Install will make Sure you cannot roll back to your previous Windows 7 or Windows 8. So do it only if you are confident of using Windows 10 from here on. To verify the Windows activation status, follow these steps:

• Click the Start button, and then click Computer.
• Click System properties on the toolbar, and then view the activation status in the Windows activation section.