Error Code 0xC1420121 Summary
The error code 0xC1420121 typically occurs during the Windows Update process, indicating an issue with downloading or installing updates. This is a specific error encountered when a system cannot successfully retrieve or apply certain update packages. It might be related to network connectivity issues, corrupted files, or problems within the Windows Update component itself.
Where Does Error Code 0xC1420121 Appear? Description
This error can occur in various scenarios while performing actions such as initiating a manual Windows Update check through Settings, triggering an automatic update process, or attempting to install specific updates manually via WSUS (Windows Server Update Services) or Microsoft’s website. It may also appear during attempts to repair or reset the Windows Update component using built-in commands like “sfc /scannow” and “DISM /Online /Cleanup-Image /RestoreHealth”. Additionally, it could arise when a user is trying to reinstall corrupted system files or update drivers through Device Manager, which relies on Windows Update.
Howto solve error code 0xC1420121
To resolve this issue, follow these steps:
- Restart your computer in safe mode with networking enabled and attempt the update again.
- If step 1 fails, use the WSReset.exe tool by opening Command Prompt as an administrator and typing “wsreset.exe”.
- Rerun a Windows Update troubleshooter from Settings > Update & Security > Troubleshoot to identify any issues preventing updates from installing.
- Check for and repair corrupted system files using DISM: Open Command Prompt (Admin), type “DISM /Online /Cleanup-Image /ScanHealth”, then run “/RestoreHealth” if necessary.
- If the error persists, consider creating a new Windows Update Standalone Package from Microsoft’s site to manually install updates that your computer is missing.
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