APCs are a mechanism used by the Windows operating system to manage high-priority tasks efficiently.
When a process incorrectly manages these calls, it leads to system instability, triggering this error.
Whatever the reason, if youre encountering this error, this article explores how to troubleshoot and fixAPC_INDEX_MISMATCHerror.
Lets first disconnect all peripherals and start your PC to find out if the error gets fixed.
Sometimes, incompatible software changes system prefs, leading to errors.
Press Y and cycle your box.
This will scan and repair the disk drive errors wait 100% complete after that Windows start normally.
If all the above methods failed to fixAPC_INDEX_MISMATCH BSODerror then check your RAM.
simply remove your computers RAM, clean it, and reinsert it perfectly after few seconds.
You have to confirm that you unplug all the power cords.
Also, Run Thememory Diagnostic Toolto check and Fix Memory Errors.
Recently, Microsoft has released Windows 10 KB5001567 with bug fixes for blue screen error APC_INDEX_MISMATCH.
We recommend installing a good antivirus / antimalware software with the latest updates and performing a full system scan.
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