Disclaimer: These steps are for troubleshooting and fixing common installation errors in Windows. Before attempting these steps, ensure you have backed up your system files and data.
Understanding the error codes:
- SFC: System File Checker (SFC) is a diagnostic tool that scans and repairs corrupted system files.
- DISM: Deployment Image Service Manager (Dism) is a command-line utility used to manage and troubleshoot Windows installations.
SFC Repair Steps
- Run the SFC Tool:
* Open Command Prompt as an Administrator.
* Type sfc /scannow in the Command Prompt, and press Enter. The tool will scan your system for corrupted files.
- If the SFC repair is successful, it may prompt you to restart your computer.
DISM Repair Steps
- Run Dism:
* Open Command Prompt as an Administrator.
* Type dism /online /cleanup-image /restorehealth in the Command Prompt and press Enter. The tool will scan your system for corrupted files and repair them.
- If the DISM repair is successful, it may prompt you to restart your computer.
Additional Steps
Post-Repair Verification:
- Check System File Checker Results:
* Run sfc /scannow in Command Prompt again after restarting your system. If no errors are reported, the repair was successful.
- Run DISM Again to Verify:
* Type dism /online /cleanup-image /restorehealth and press Enter.
Troubleshooting Steps
- Check System File Status:
* Open Event Viewer (Press Windows key + R, type «eventvwr» in the Run dialog box, and press Enter). Look for errors related to file system integrity.
- Use Online Tools:
* Microsoft’s built-in tool, ntcheck.exe, can help you identify corrupted files by listing their status (e.g., «bad» or «valid»).
Conclusion:
- These steps are meant to diagnose and repair common installation errors in Windows. If the issues persist after trying these methods, it may be a sign of more severe problems that require professional assistance.
Always remember to back up your system before attempting any troubleshooting steps, especially when dealing with critical files and data.