How do I fix the error code 0x0 in the Windows 7 startup repair?

Alton Alexander
By Alton AlexanderUpdated on June 4th, 2022

The error code 0x0 is a general error code that indicates a problem with Windows 7 startup repair. This error code can be caused by a variety of issues, including corrupt or missing files, incorrect BIOS settings, or hardware problems. Startup repair can often fix this error code, but if the problem is not resolved, it may be necessary to reinstall Windows 7.

1. Check the computer's BIOS to ensure that the boot order is set correctly

  1. Click on the Start button and type "msconfig" in the search box.
  2. Click on the "Startup" tab and check the box next to "Boot Order".
  3. Click on the arrow next to the "Boot Order" option and change the order of the Boot Options to reflect the correct order.
  4. Click on the "Apply" button and exit the "MSConfig" application.
  5. Restart the computer to apply the changes.

2. Run a virus scan using antivirus software

  1. Open your antivirus software and click on the “Scan” button.
  2. The antivirus software will start to scan your computer for viruses.
  3. If the antivirus software finds any viruses, it will display a list of error codes.
  4. If the error code 0x0 appears, it means that your computer is infected with a virus and you will need to fix the problem using Startup Repair.
  5. To fix the error code 0x0, you will need to follow the instructions that the antivirus software provides.

3. Run a malware scan using anti-malware software

  1. Open anti-malware software.
  2. Click on the "Scan" button.
  3. In the "Scan Type" drop-down menu, select "Full Scan."
  4. Click on the "Start Scan" button.
  5. Wait for the scan to finish.
  6. If the scan results show any suspicious items, click on the "Fix" button.
  7. Click on the "Finish" button.

4. Use the System File Checker tool to scan for and repair corrupted system files

  1. Open the System File Checker tool by pressing the Windows key + X and selecting System File Checker from the menu.
  2. Click the Scan for Corruptions button to start the scan.
  3. If the scan finds any corrupted system files, the System File Checker tool will display a list of the files that are corrupted and the associated error code.
  4. Click the Repair button to fix the corrupted system files.
  5. If the repair process fails, you can try to repair the files by using a different version of the System File Checker tool.

5. Use the DISM tool to repair corrupted system files

  1. Open the command prompt by pressing “Windows key + X” and selecting “Command Prompt (Admin).”
  2. Type “dism /online /enable-feature /featurename:Windows-Defender-Internet-Security” in the command prompt and press Enter.
  3. Type “dism /online /disable-feature /featurename:Windows-Defender-Internet-Security” and press Enter.
  4. Type “dism /online /enable-feature /featurename:Windows-System-Security” and press Enter.
  5. Type “dism /online /disable-feature /featurename:Windows-System-Security” and press Enter.
  6. Type “netsh advfirewall reset” and press Enter.
  7. Type “netsh int http reset” and press Enter.
  8. Type “netsh winsock reset” and press Enter.
  9. Type “regedit” and press Enter.
  10. Type “sc delete appid” and press Enter.
  11. Type “sc delete appdata” and press Enter.
  12. Type “sc create appid” and press Enter.
  13. Type “sc create appdata” and press Enter.
  14. Type “cd c:\windows\system32” and press Enter.
  15. Type “cmd” and press Enter.
  16. Type “dism /online /enable-feature /featurename:Windows-System-Security-Admin” and press Enter.
  17. Type “cmd” and press Enter.
  18. Type “dism /online /disable-feature /featurename:Windows-System-Security-Admin” and press Enter.
  19. Type “cmd” and press Enter.
  20. Type “chkdsk c: /r” and press Enter.
  21. Type “cmd” and press Enter.
  22. Type “reboot” and press Enter.

6. Perform a clean boot of the computer

  1. Boot the computer into Safe Mode with Networking.
  2. Click Start, type Recovery Console and press Enter.
  3. At the Recovery Console prompt, type list d: and press Enter.
  4. Verify that the d: drive contains a "boot.ini" file. If not, create it.
  5. Type fdisk -l and press Enter.
  6. Verify that the disk is partitioned as described in the "How to partition a hard drive" document. If not, type fdisk -l and press Enter to view the partition table.
  7. Type exit and press Enter to return to the Recovery Console prompt.
  8. Type fixboot and press Enter.
  9. Type exit and press Enter to return to the Windows 7 desktop.
  10. Restart the computer.

Some users might also have success with the following opitons:

  1. Perform a reset or refresh of the computer.
  2. Reinstall the Windows operating system.