Fixing Windows Update Error Code 0x8007370D

Fixing Windows Update Error Code 0x8007370D
Windows Update error 0x8007370D typically occurs when essential system files are missing or corrupted in the Component Store—often due to interrupted updates, software conflicts, or disk issues. This issue blocks critical patch installations and exposes your PC to security risks. To fix it, follow these steps:

Restart your PC to clear temporary issues.

Run the Windows Update Troubleshooter: Go to Settings → Update & Security → Troubleshoot → Additional troubleshooters → Windows Update. This tool will automatically detect and repair common update errors.

Clear and reset the update cache: Stop the Windows Update, Background Intelligent Transfer Service (BITS), and Cryptographic Services. Delete all files within the C:WindowsSoftwareDistribution and C:WindowsSystem32catroot2 folders, then restart these services.

Repair system files and restore Windows image: Open Command Prompt as administrator and run:
```
sfc /scannow  

DISM /Online /Cleanup-Image /RestoreHealth
```
This repairs corrupted files and restores Windows components.

Verify component store health: If issues persist, run:
```
DISM /Online /Cleanup-Image /ScanHealth  

DISM /Online /Cleanup-Image /CheckHealth
```
Then re-run /RestoreHealth based on the results.

Restart your PC again and rerun Windows Update to confirm the issue is resolved.

These steps usually eliminate error 0x8007370D and allow updates to install successfully. For a comprehensive, illustrated guide with advanced recovery tips, see this detailed walkthrough.