It is reported that certain users often encounter the prompt while using a camera on Skype and other communication platforms. Install other pending Windows updates #Īlthough a Windows update is causing the APC Index Mismatch BSoD, others can fix the problem. Restart your computer once the update is uninstalled. Since the update is mostly installed using Windows Update, it will not be listed in the list of updates in the Control Panel, but you should be able to see it in the command line: Otherwise, follow the guide below to remove the update from within the OS. If you are facing BSoD upon startup, you can resort to uninstalling the update without booting into the computer at all. Microsoft is also aware of the problem and has also mentioned it as a “Known issue” on the update’s page.Īlthough Microsoft has already recalled the update and is currently working on fixing the issue, if you still have it installed on your PC, follow the guide below. However, this update has caused an APC Index Mismatch BSoD on the majority of devices that have installed this update. Microsoft had recently released a Cumulative Update KB5000802 for Windows 10 versions 2004 and 20H2. Fix APC Index Mismatch BSoD In Windows 10 # Uninstall Windows 10 Cumulative Update KB5000802 # If you have encountered such an error, continue reading down the thread to rectify the problem. The bugcheck code could be any of the following: The most common files that cause this error are: Another common issue is because of an outdated or corrupted video or audio driver. The APC Index Mismatch usually points towards a file causing an error with a bugcheck code as well.

When such a thing happens, no other process can run, resulting in a system crash. The APC Index Mismatch indicates an inconsistency between the number of processes entering an area of operation and the number of processes leaving it. The Asynchronous Procedure Call (APC) is a function that is explicitly designed to run outside the main function.

This is because your operating system no longer knows how to handle the process causing the error and shuts down the computer in order to prevent it from damaging anything. The Blue Screen of Death (BSoD) is pushed off as the computer shuts down abruptly.

Bsod driver power state failure