Windows⏱️ 2 min read

How to Fix ULTRA_ERROR_BAD_CONFIG – BSOD Ultra Bad Config BSOD Error

Fix BSOD Ultra Bad Config error on Windows by identifying and resolving common causes such as corrupted system files or registry issues.


The BSOD Ultra Bad Config error is typically caused by corrupted system files or registry issues. To fix this error, follow these steps:

⚠️ Common Causes

  • Corrupted system files or registry issues

🛠️ Step-by-Step Fixes

Method 1: Quick Fix

  1. Step 1: Run the System File Checker tool (SFC) to scan and repair corrupted system files. To do this, open Command Prompt as an administrator and type `sfc /scannow`.
  2. Step 2: If the SFC scan finds any corrupted files, it will attempt to replace them with healthy copies from the Windows installation media. Once the process is complete, restart your computer to see if the error persists.

💡 Conclusion

If the SFC scan and repair do not resolve the issue, you may need to perform a System Restore to revert to a previous good configuration. You can do this by going to Settings > Update & Security > Recovery, then selecting 'Open System Restore' and following the prompts.

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