Complete guide to correct the UNSUPPORTED PROCESSOR error in Windows 10


  • Blue screen of death errors are troublesome as they restart your computer to avoid damaging your PC. These types of errors can be caused by problematic software or, in the worst case, faulty hardware.

  • According to users, to install the 64-bit version of Windows 10, your processor must have support for the PREFETCHW instruction. If your processor does not support PREFETCHW, you can always install the 32-bit version of Windows 10, and it should work without any problem.
  • If another BSoD knocks on your door, look and bookmark Fix BSoD Errors Hub.
  • Fixation Windows 10 mistakes is our favorite hobby, so head over to our Windows 10 mistakes Hub for a solution

Blue screen of death errors are troublesome as they restart your computer to avoid damaging your PC. These types of errors can be caused by problematic software or, in the worst case, faulty hardware.

Since these types of errors are quite serious, today we will show you how to fix the BSoD UNSUPPORTED_PROCESSOR error in Windows 10)

How can I fix the BSoD PROCESSOR NOT SUPPORTED error?

  1. Make sure your processor meets the hardware requirements
  2. To update Windows 10
  3. Update your drivers
  4. Run the BSOD troubleshooter
  5. Run the SFC scan
  6. Run DISM
  7. Check the hard drive
  8. Check for problematic software
  9. Check hardware problems

Steps to fix UNSUPPORTED PROCESSOR Windows 10 error

Solution 1 – Make sure your processor meets the hardware requirements

Many users reported an UNSUPPORTED_PROCESSOR error during installation Windows 10, and to correct this error, you must ensure that your processor supports the PREFETCHW statement.

According to users, to install the 64-bit version of Windows 10, your processor must have support for the PREFETCHW instruction. If your processor does not support PREFETCHW, you can always install the 32-bit version of Windows 10, and it should work without any problem.

Solution 2 – Update Windows 10

As mentioned above, BSoD errors like UNSUPPORTED_PROCESSOR can be caused by hardware or software compatibility issues, therefore it is crucial to run Windows Update frequently.

Many of these updates bring various improvements and fix problems with hardware and software, so you can see why it is important to update Windows 10 as often as possible to avoid BSoD problems.

Solution 3 – Update your drivers

Drivers are often the cause of BSoD errors as they are used by Windows to communicate with your hardware. If a certain controller is out of date, Windows 10 won’t be able to work with specific hardware, and that will give you UNSUPPORTED_PROCESSOR or any other BSoD errors.

To avoid such problems, we recommend updating your drivers. Updating your drivers is simple, and all you need to do is visit your hardware manufacturer’s website and download the latest drivers for your hardware.

Alternatively, you can use Device Manager to update all necessary drivers. To update the drivers using Device Manager, you must do the following:

  1. press Windows Key + X to open the advanced user menu. Select Device administrator of the list.
    device administrator
  2. When Device Manager opens, locate the driver you want to update and right-click.
  3. Choose Update driver software.
    update-driver-software
  4. Select Automatically check for updated driver software. Windows 10 will now locate and download the appropriate driver.
    browser-my-for-driver-software
  5. Repeat these steps for all the drivers you want to update.
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Update drivers automatically

Searching for drivers on your own can be time consuming. Therefore, we recommend that you use a tool that does this automatically. Using an automatic driver updater will save you the trouble of manually searching for drivers, and will always keep your system updated with the latest drivers.

Tweakbit Driver Updater (approved by Microsoft and Norton Antivirus) will help you update drivers automatically and prevent damage to your PC caused by installing wrong driver versions. After several tests, our team concluded that this is the best automated solution.

Here is a quick guide on how to use it:

  1. Download and install TweakBit Driver Updatercontroller updater start window
  2. Once installed, the program will start scanning your PC for outdated drivers automatically. Driver Updater will check the versions of your drivers installed in its cloud database for the latest versions and recommend the appropriate updates. All you need to do is wait for the scan to complete.
    Tweakbit Driver Updater scanning process
  3. At the end of the scan, you will get a report on all the problem drivers found on your PC. Review the list and see if you want to update each controller individually or all at once. To update one controller at a time, click the Update Controller link next to the controller name. Or simply click the Update All button at the bottom to automatically install all recommended updates.
    Full automatic update
    Note: Some drivers have to be installed in several steps, so you will have to press the “Update” button several times until all their components are installed.

Solution 4 – Run the BSOD troubleshooter

If none of the above solutions solved the problem, let’s try some troubleshooting tools. The first problem solver that we are going to try is Windows 10’s built-in BSOD troubleshooter. As you can probably see, this tool can tackle all kinds of BSOD problems. Hopefully the UNSUPPORTED_PROCESSOR error is one of them.

Here is how to run Windows Built-in BSOD troubleshooter in 10:

  1. Open the Configuration app And go to Update and security section.
  2. Select Solve problems from the menu on the left.
  3. Select BSOD from the right pane and click Run the troubleshooter.Problem solving
  4. Follow the on-screen instructions to complete the troubleshooter.

Solution 5 – Run the SFC scan

The next troubleshooting tool we are going to try is the System File Checker. This tool scans your computer for possible problems and automatically resolves them (if possible). So if UNSUPPORTED_PROCESSOR error is caused by corrupt system file then SFC scanning will fix it.

Here’s how to run the SFC scanner on Windows 10:

  1. Right-click on the Start menu button and open the command prompt (administrator).
  2. Enter the following line and press Enter: sfc / scannowSymbol of the system
  3. Wait until the process ends (it may take a while).
  4. If the solution is found, it will be applied automatically.
  5. Now, close the command prompt and restart your computer.
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Solution 6 – Run DISM

And the third troubleshooting tool that we are going to try is DISM. The Deployment Image Management and Service (DISM), as its name implies, redeploys the system image and resolves potential problems along the way. Therefore it could also resolve the UNSUPPORTED_PROCESSOR error.

We will guide you through the standard and procedure using the installation media below:

  1. Right-click Start and open Command Prompt (Administrator).
  2. Paste the following command and press Enter:
      • DISM / Online / Cleaning Image / RestoreHealthCleaning the administrator command prompt
  3. Wait until the scan completes.
  4. Restart your computer and try updating again.
  • With the Windows installation media
  1. Insert your Windows installation media
  2. Right-click on the Start menu and choose Command Prompt (Administrator) from the menu.
  3. On the command line, type the following commands and press Enter after each:
    • dism / online / cleanup-image / scanhealth
    • dism / online / cleanup-image / restorehealth
  4. Now type the following command and press Enter:
    • DISM / Online / Cleanup-Image / RestoreHealth /source:WIM:X:SourcesInstall.wim:1 / Limited Access
  5. Be sure to change a X value with the drive letter mounted with Windows 10 installation.
  6. After the procedure is complete, restart your computer.

Solution 7 – Check the hard drive

If your hard drive is damaged, BSOD problems are more than possible. To eliminate the doubt, you should run chkdsk, which scans all your partitions and solves possible problems (if possible). So if UNSUPPORTED_PROCESSOR is to blame for a corrupt hard drive then this tool will probably solve the problem.

Here’s how to run the chkdsk command in Windows 10:

  1. Enter the Advanced start (Restart your computer while holding down the Shift key.)
  2. Choose Troubleshoot> Advanced Options.
  3. Select Symbol of the system from the list of options.
  4. When the command prompt appears, enter the following lines and press Enter after each line to run it:
    • bootrec.exe / rebuildbcdComplete guide to correct the UNSUPPORTED PROCESSOR error in Windows 10 4
    • bootrec.exe / fixmbr
    • bootrec.exe / fixboot
  5. Some users also suggest that you need to run more chkdsk commands too. To run these commands, you must know the drive letters for all partitions on the hard drive. At the command prompt, you must enter the following (but remember to use the letters that match the partitions on your hard drive on your PC):
    • chkdsk / r c:Complete guide to correct the UNSUPPORTED PROCESSOR error in Windows 10 5
    • Chkdsk / r d:

    This is just our example, so keep in mind that you need to run the chkdsk command for every partition on your hard drive you have.

  6. Restart your computer and check if the problem is solved.

Solution 8 – Check for problematic software

Often incompatible software can cause UNSUPPORTED_PROCESSOR error and that is why it is necessary to find the problematic software and uninstall it. If you installed any new software before this error appeared, be sure to uninstall it.

Furthermore, you can also disable all startup applications to find the problematic application. To do that, you need to do the following:

  1. press Windows Key + R And enter msconfig. press Get in or click OK.
    msconfig
  2. Once the System Settings window opens, select Selective start and uncheck Load startup items.
    system configuration
  3. Navigate to Services tongue. Check Hide all Microsoft services and then click Disable all.
    system-configuration-services
  4. Click Apply and OK to save changes If a window appears asking you to restart your PC, choose Quit without restarting.
  5. press Ctrl + Shift + Esc to open Task Manager.
  6. To go Start up tab and right click on each item and choose Disable from the menu
    Task-manager-disable
  7. After disabling all applications, close Task Manager and restart your computer.
  8. Check if your PC works properly. If the error message does not appear, it means it is caused by a third party application. Now you can enable all the apps and services one by one until you find the one that is causing you trouble.
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It’s also worth noting that your antivirus can be the common cause of all sorts of BSoD errors, so be sure to uninstall any third-party antivirus software that you have installed. Uninstalling antivirus software may not be enough, so you will have to download and use a dedicated removal tool.

Many antivirus companies provide these tools, so be sure to download and use one of these tools.

Solution 9 – Check for hardware problems

The UNSUPPORTED_PROCESSOR error along with many other BSoD errors can be caused by hardware issues. If you recently installed any new hardware, be sure to remove or replace it and check if the problem is fixed.

If you didn’t install any new hardware, be sure to check your processor, motherboard, and RAM. To perform this step, you may need some replacement components and possibly some expert help, so you may want to take your PC to the repair shop.

The BSoD UNSUPPORTED_PROCESSOR error usually appears when your processor does not support the necessary instructions to Windows 10 works properly, so be sure to check if your processor meets the hardware requirements and is working properly.

Frequently Asked Questions: Read more about UNSUPPORTED_PROCESSOR error

  • What is UNSUPPORTED_PROCESSOR error?

If you received the UNSUPPORTED_PROCESSOR error during installation Windows 10, generally means that your processor may not support the PREFETCHW statement. You need it to install the 64-bit version of Windows 10. If your processor does not support PREFETCHW, you can always install the 32-bit version of Windows 10, and it should work without any problem.

  • How can I resolve the UNSUPPORTED_PROCESSOR error?

Here are the steps to take to fix this issue: First make sure your processor meets the hardware requirements, upgrade Windows 10, please update your drivers, run BSoD Troubleshooter, run SFC and DISM scan, check hard drive, check for problematic software, and finally check for hardware problems.

BSoDs can be caused by poorly written device drivers or hardware malfunctions, such as faulty memory, component overheating, power supply problems, or hardware running beyond its specification limits.

From the editor Note: This post was originally published in October 2018 and has since been renewed and updated in April 2020 to provide freshness, precision and comprehensiveness.

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