1. Use System Restore
- Open System Restore from WinRE or Safe Mode.
- Select a restore point created before recent changes or updates.
- Complete the restoration and reboot to check if the BSOD persists.
2. Check and Repair Disk Errors
- Run CHKDSK to repair file system and disk errors:
chkdsk C: /f /r /x
- This command fixes corrupted sectors, resolves NTFS inconsistencies, and ensures proper process object references.
3. Update or Reinstall Affected Drivers via Manufacturer Tools
- Instead of uninstalling drivers manually, use the device manufacturer’s software to update or reinstall drivers safely.
- This ensures compatible versions of kernel drivers are installed.
- Avoid beta or unsigned drivers that may cause process detach errors.
4. Disable Fast Startup
- Open Control Panel → Power Options → Choose what the power buttons do.
- Click Change settings that are currently unavailable.
- Uncheck Turn on fast startup and save changes.
- Reboot the system.
5. Repair Corrupted Registry Entries
- Open Registry Editor (regedit).
- Navigate to HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services and check recently installed drivers.
- Remove or correct invalid entries carefully.
Warning: Back up the registry before making changes.
6. Run Driver Verifier
Use Driver Verifier to detect problematic kernel drivers:
- Open Command Prompt as administrator.
- Run verifier /standard /all.
- Restart the computer; Windows will stress-test drivers.
- Remove or update any drivers flagged by the verifier.
7. Uninstall Recent Windows Updates
If the error appeared after a Windows update:
- Open Settings → Update & Security → Windows Update → Update history → Uninstall updates.
- Remove recent updates that may have corrupted kernel files.
- Restart and test system stability.
8. Reset Windows Network Stack
- Open Command Prompt as admin and run:
netsh int ip reset
netsh winsock reset
- Reboot the system to ensure network drivers are reinitialized correctly.
9. Disable Non-Essential BIOS Features
Some BIOS features like Hyper-Threading, Virtualization, or C-States may interfere with process management.
- Enter BIOS/UEFI.
- Temporarily disable these features.
- Save and reboot.
- Check if the BSOD is resolved.
10. Perform an In-Place Upgrade / Repair Install of Windows
If other steps fail, perform an In-Place Upgrade using the Windows installation media:
- Choose Upgrade this PC now and select Keep personal files and apps.
- This repairs kernel files, drivers, and system components without wiping data.
The 0x0000008B (INVALID_PROCESS_DETACH_ATTEMPT) BSOD often arises from kernel driver issues, corrupted registry entries, or system-level inconsistencies caused by updates or third-party utilities.
To fix the issue:
- Restore Windows to a stable point or run an in-place repair.
- Check disk integrity and repair file system errors.
- Update drivers using manufacturer tools and verify kernel driver stability.
- Disable Fast Startup and adjust BIOS features if necessary.
If the problem continues:
- Run Driver Verifier to identify unstable drivers.
- Repair registry inconsistencies carefully.
- Consider a clean installation of Windows for a fully stable system.
Addressing kernel, driver, and system-level conflicts promptly prevents repeated BSODs, ensures stable process management, and maintains long-term Windows reliability.