Windows 10: Help Needed with "APC_INDEX_MISMATCH" GSOD Error When Launching Roblox

I am encountering a persistent issue when trying to launch Roblox on my PC. Every time I open Roblox, I receive a Green Screen of Death GSOD with the error message "APC_INDEX_MISMATCH." I have tried uninstalling and reinstalling Roblox, but the issue remains. After attempting to reinstall, when I click the Roblox launcher, the GSOD appears again with the same error message.I have followed various troubleshooting steps I found online, including solutions mentioned in YouTube videos and forum posts, but none have resolved the issue. I even came across a post on Microsoft Support that addressed

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Blue screen error: APC_INDEX_MISMATCH when trying to install Audio driver

Hi,



Thank you for writing to Microsoft Community Forums.



I understand that you get a Blue Screen error with “APC_INDEX_MISMATCH” when trying to install Audio drivers. I’ll certainly help you with this.



However, please let us know:

• Are you aware of any changes made to the computer recently?
  
• Which build version of Windows 10 are you using currently? To check type:
  winver in the search bar on the Taskbar and hit
  Enter.
  
• What is the make and model of the computer?
  

An incompatible system driver causes the Blue screen error APC_INDEX_MISMATCH. For more information see

Bug Check 0x1: APC_INDEX_MISMATCH.



I would suggest you to refer the troubleshooting steps mentioned in the article

Troubleshoot blue screen errors and check if that helps.



However, I would also suggest you to share the dump files so that we can analyze them and get to the root cause of the issue. To share the files Navigate to
C:\Windows\Minidump, upload the files to OneDrive and share the OneDrive link.



Let us know the results.



Regards,

Nikhar Khare

Microsoft Community - Moderator

 

Stop code APC_INDEX_MISMATCH

Hi,

The error you've encounter usually appears when a new hardware was installed on the computer. It could be a USB device that is newly installed. It's recommended that you install and update the device's drivers.

For you to update the driver manually, follow the steps below:

• Right-click on the Windows key.
• Click Device Manager.
• Locate and expand the category where the new device belong.
• Right-click the device’s name from the list and click Update Driver Software.

If the above steps did not resolve the issue, we suggest that you follow the instructions given to troubleshoot blue screen errors found in this
article.

For more information regarding the error, refer to this article:
Bug Check 0x1: APC_INDEX_MISMATCH.

Let us know if you need further assistance.

 

BEX64 error in Roblox

The error report you provided indicates that Roblox crashed with a BEX64 error. BEX64 is a type of error code related to the Windows operating system, specifically indicating an issue with the application's execution.



Based on the information in the report, here are a few suggestions to troubleshoot and potentially resolve the issue:



Update Roblox: Make sure you are using the latest version of Roblox. Check for updates in the Roblox client and ensure you have the most recent version installed. Updating the game may fix any known issues or bugs.



Check system requirements: Verify that your computer meets the minimum system requirements for running Roblox. Ensure that your operating system, graphics card drivers, and other software are up to date.



Disable unnecessary background programs: Some background programs or processes may interfere with Roblox. Temporarily disable any antivirus, firewall, or other security software, as well as any unnecessary applications running in the background, and then try running Roblox again.



Clear Roblox cache: Roblox stores temporary data and cache files on your computer. Clearing this cache may help resolve any corrupted or conflicting files. You can do this by following these steps:



Press Windows Key + R to open the Run dialog box.

Type "%localappdata%\Roblox\logs" (without quotes) and press Enter.

Delete all the files in the opened folder.

Reinstall Roblox: If the issue persists, consider uninstalling Roblox and performing a clean reinstall. To do this, follow these steps:



Uninstall Roblox from your computer through the Control Panel or by using the uninstaller included with the game.

Restart your computer.

Download the latest version of Roblox from the official website and reinstall it.

Contact Roblox support: If none of the above solutions work, it may be beneficial to reach out to Roblox support for further assistance. They can provide specific troubleshooting steps or investigate the issue further.



Keep in mind that the provided error report does not provide extensive details about the cause of the crash, so these suggestions are general troubleshooting steps. It's always recommended to reach out to the game's official support channels for more targeted assistance.