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INVALID_AFFINITY_SET: How to Fix The 0x3 Bug Check

First, restart your computer in safe mode

6 min. read

Updated onApril 2, 2024

updated onApril 2, 2024

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Key notes

If you have encountered the INVALID_AFFINITY_SET blue screen error on your Windows computer, then this guide can help!

We will explore the probable causes and offer WR experts tested solutions to get rid of this BSoD error in no time.

What causes the INVALID_AFFINITY_SET error?

How do I fix the INVALID_AFFINITY_SET on Windows 11?

Before proceeding with any steps for the INVALID_AFFINITY_SET on Windows 11, go through the following preliminary checks:

1. Run the Windows Memory Diagnostic tool

First, we need to restart the computer in safe mode using the Windows Recovery environment; for that, follow these steps:

Your computer will restart in safe mode, then follow these steps to run the diagnostic check:

Once the computer restarts, you need to log in, and the results of the scan will appear on the screen. If you can’t see the test results, you canopen Event Viewerto check the details.

In case the test comes with an error, there is a problem with memory modules, try reseating the RAM & remove dust & debris, then run the diagnostic check again. If the scan results come up with errors, you might have to replace one or more modules.

Running a diagnostic scan can also help you fix issues like theBSoD error 0x00000154; read this guide to learn about other solutions.

2. Block automatic restart

3. Use SFC & DISM scans

If you are stuck on the BSOD screen, follow these steps to open the Command Prompt and run the commands:

If this process seems overwhelming, you can always rely onspecialized softwarebecause it can proceed with this task automatically.

4. Run the chkdsk command

5. Uninstall the Windows updates

If the problem appears after installing new Windows updates, uninstalling the updates can straighten things out.

Moreover, it can also help you fix other BSoD errors like0x00000078BSOD in Windows 11; read this guide to learn about other solutions.

6. Update/reinstall your drivers

In case there is no update available, follow these steps to reinstall the driver:

7. Perform a system restore

Your computer will restart and restore it to the selected version. If theSystem Restore didn’t complete successfully, it could be due to driver issues; read this guide to learn more.

If nothing worked for you, you might want toreset your computerto fix all the system inconsistencies once and for all.

To conclude, to fix the INVALID_AFFINITY_SET BSoD error on Windows 11, update your Windows to the latest version, ensure there are no outdated drivers, and run an SFC scan to repair corrupted files.

To learn more about theBSoD errors, and causes to prevent it from interrupting your computing experience, read this guide.

Did we miss a step that helped you to fix this BSoD error? Don’t hesitate to mention it in the comments section below. We will happily add it to the list.

INVALID_AFFINITY_SET: How to Fix The 0x3 Bug Check#

How do I fix the INVALID_AFFINITY_SET on Windows 11?#

1. Run the Windows Memory Diagnostic tool#

2. Block automatic restart#

3. Use SFC & DISM scans#

4. Run the chkdsk command#

5. Uninstall the Windows updates#

6. Update/reinstall your drivers#

7. Perform a system restore#