1. Disable Driver Verifier (If Enabled)
- Boot into Safe Mode.
- Open Command Prompt as Administrator.
- Run: verifier /reset
- Restart the system to disable Driver Verifier.
2. Update or Roll Back Drivers
- Open Device Manager.
- Update outdated drivers using official manufacturer sources only.
- Roll back recently installed drivers if the BSOD started after a driver update.
- Pay close attention to chipset, storage, network, and graphics drivers.
3. Repair Corrupted System Files
- Open Command Prompt as Administrator.
- Run: sfc /scannow
- After completion, run:
- DISM /Online /Cleanup-Image /RestoreHealth
- Restart the system once both scans complete.
4. Test RAM for Memory Errors
- Open the Run dialog.
- Run: mdsched.exe
- Restart and allow Windows Memory Diagnostic to complete.
- Test RAM modules individually if errors are detected.
- Replace faulty memory components if required.
5. Uninstall Conflicting Third-Party Software
- Boot into Safe Mode.
- Uninstall recently installed kernel-level software such as antivirus programs, VPN clients, virtualization platforms, overclocking utilities, or hardware monitoring tools.
- Restart the system normally and check for stability.
6. Check Disk and File System Integrity
- Open Command Prompt as Administrator.
- Run: chkdsk C: /f /r /x
- Restart and allow the disk scan to complete.
7. Reset BIOS / UEFI Settings
- Enter BIOS or UEFI during system startup.
- Select Load Optimized Defaults.
- Disable CPU, GPU, and RAM overclocking.
- Save changes and exit.
8. Perform a Clean Boot
- Press Windows + R.
- Run: msconfig
- Hide all Microsoft services and disable remaining services.
- Open Task Manager and disable all startup applications.
- Restart and monitor system behavior.
9. Install Latest Windows Updates and Firmware
- Open Windows Update.
- Install all available updates, including optional driver updates.
- Update motherboard BIOS or UEFI firmware to the latest stable version.
10. Perform an In-Place Upgrade or Clean Install
- Use the Windows Installation Media Tool.
- Choose Upgrade this PC now to repair Windows without data loss.
- If the BSOD persists, back up important data and perform a clean installation.
The 0x000000D2 (“The signal handler cannot be set”) BSOD is commonly caused by improper driver behavior, interrupt handling violations, corrupted system files, or unstable hardware.
To resolve this error effectively:
- Disable Driver Verifier if enabled.
- Update or roll back problematic drivers.
- Repair system files using SFC and DISM.
- Test memory and verify disk integrity.
- Remove conflicting kernel-level software.
- Reset BIOS or UEFI settings and keep Windows updated.
If the issue continues, an in-place repair or clean installation provides a permanent resolution. Maintaining stable drivers, reliable memory, and updated firmware helps prevent the 0x000000D2 BSOD and ensures long-term Windows stability.