Instructions to Fix the APC_INDEX_MISMATCH in Windows 10

Figure out how to determine the APC_INDEX_MISMATCH blunder when it crashes your PC.

The APC_INDEX_MISMATCH mistake is a BSOD blunder in Windows 10 that may keep your PC from booting through and through. While the blunder isn’t unreasonably normal, you can fix it utilizing some basic investigating strategies.

Check Your Computer’s Drivers

Most Windows 10 bluescreen blunders, including the APC_INDEX_MISMATCH mistake, are brought about by breaking down or obsolete drivers. To sort out the explanation, search for a filename on the mistake screen and basically Google it to discover the related driver.

For instance, if the accident records “RtlUpd64.exe” as the justification the mistake, the Realtek HD Audio Driver is failing. For this situation, you should either refresh or uninstall the driver and check whether that fixes the mistake.

Instructions to Update a Driver Using Device Manager

  • Press Windows Key + R to open the Run application. Type devmgmt.msc in the content box and press Enter to open the Device Manager.
  • In the Device Manager window, look down and grow the Sound, video and game regulators segment.
  • Right-click on Realtek High Definition Audio(SST) and select Update driver.
  • In the update brief, click on Search consequently for drivers.
  • Windows will consequently download the most recent drivers and introduce them.

The most effective method to Uninstall a Driver

  • Press Windows Key + R to open the Run application. Type devmgmt.msc in the content box and press Enter to open the Device Manager.
  • Presently, look down and extend the part identified with the driver you need to uninstall.
  • Right-click on the driver and select Uninstall gadget.
  • In the uninstallation brief, be certain the check the Delete the driver programming for this gadget alternative.
  • Snap on Uninstall and after the interaction is finished, reboot your PC.

Boot Your Computer Into Safe Mode

Another significant justification the APC_INDEX_MISMATCH blunder is that an outsider application may meddle with your PC’s working.

The most ideal approach to analyze this issue is to check whether you actually get the blunder in the wake of handicapping outsider applications. This should be possible by either clean booting your PC or booting it in experimental mode.

While clean boot is certainly not an authority choice in Windows, Safe Mode is, and it stacks the absolute minimum arrangement of capacities and projects.

The most effective method to Boot in Safe Mode

  • Snap on the Start catch and open Settings.
  • On the Settings dashboard, click on Update and Security.
  • On the route bar on the left, click on Recovery.
  • Look down and under Advanced startup, click on Restart now.
  • Your PC will boot into the Choose an alternative screen.
  • Here, select Troubleshoot > Advanced alternatives > Startup settings > Restart.
  • When your PC reboots, you will see a rundown of alternatives. On this screen, press F4.
  • Your PC will reboot into Safe Mode.

Presently, have a go at utilizing your PC as you typically would and check whether the APC_INDEX_MISMATCH blunder continues. Assuming it doesn’t, all things considered, an outsider driver or programming is causing the mistake.

Uninstall any as of late introduced applications or download an alternate variant.

Update Windows to the Latest Version

Microsoft consistently delivers new updates for Windows, and these updates additionally accompany bug fixes. That is the reason you should keep your PC refreshed to the most recent variant.

The APC_INDEX_MISMATCH mistake may every now and again happen in case you’re running an old adaptation of Windows that has a great deal of unsettled bugs. Luckily, Windows naturally refreshes itself, however no doubt, you can physically check for the most recent updates.

Then again, Windows Update is famous for stalling out. For this situation, look at this guide on the most proficient method to fix a stuck Windows Update Assistant and salvage your update.

Step by step instructions to Check for Windows Updates

  • Snap on the Start catch and snap on Settings.
  • In the Settings dashboard, click on Update and Security.
  • On the route bar on the left, click Windows Update.
  • Snap on Check for refreshes.
  • Windows will check the web for the most recent updates.
  • On the off chance that there are any updates accessible, click on Download and introduce.
  • Windows will consequently introduce the updates.

On the other side, more up to date updates could cause some unanticipated blunders, like the APC_INDEX_MISMATCH mistake. In spite of the fact that it is uncommon, there have been a few updates in the past that reason comparable mistakes.

The most ideal approach to decide this is to check whether the blunder showed up in the wake of refreshing your PC. Assuming indeed, all things considered, the new update caused it. For this situation, it’s ideal to uninstall ongoing updates and sit tight for another steady one.

Instructions to Uninstall Recent Updates

  • Snap on Start and go to Settings.
  • In the Settings menu, select Update and Security.
  • Snap on Windows Update on the route bar.
  • Snap on View update history, and in the following window, click Uninstall refreshes.
  • Your PC will uninstall all as of late introduced Windows refreshes.

Reset Your Computer

This strategy ought to be utilized if all else fails as it will eliminate all your own settings, records, and application. In the event that none of the techniques referenced above are working, the solitary arrangement is to reset your PC or use System Restore on the off chance that you have made a reestablish point.

Step by step instructions to Reset Your PC

  • Snap on the Start button and go to Settings.
  • In the Settings dashboard, click on Update and Security.
  • On the route bar, click Recovery.
  • Under Reset this PC, click on Get Started.

In the Reset wizard, you can decide to keep your records and applications. This choice will simply reinstall Windows yet is less inclined to work since it’s likely that an application or some other document is causing the blunder in any case.

You can likewise decide to totally wipe your PC and reinstall Windows.

Rather than utilizing Reset this PC, you can likewise pick to utilize Windows System Restore to reestablish your PC to a prior state. Be that as it may, this will possibly work on the off chance that you had empowered System Restore before and Windows has made a reestablish point.

For a more definite gander at Windows Reset and System Restore, look at how to production line reset Windows or use System Restore.

Instructions to Restore Windows to an Earlier State

  • In the Start menu search bar, type Recovery.
  • From the query items, click on the Recovery Control Panel setting.
  • In the following window, click on Open System Restore. You will require director advantages to do as such.
  • In the event that you have made a System Restore point, the wizard will incite you to pick the reestablish point.
  • Snap Finish.


Utilizing the previously mentioned steps, you can resolve the APC_INDEX_MISMATCH BSOD. Moreover, these means can likewise be utilized to handle other basic blue screen blunders since the vast majority of them are brought about by comparable issues.