Purge Windows Update Cache–Windows 7 failing to update
1. Open Command Prompt by Start -> type “cmd“; right-click and Run as Administrator
2. On the Command Prompt, type “net stop wuauserv“.
This is done so that you will terminate the windows automatic update service to allow you to delete the cache files
3. Type “cd /d %windir%”
This takes you to the Windows directory
4. Type “rd /s SoftwareDistribution“
This command deletes the directory and all sub files and directories.
Wait a few seconds… and the cache has been purged.
5. Type “net start wuauserv“
This restarts the windows automatic update service.
6. Close the Command window
Reboot and try to run your updates again.
Microsoft Update Catalog
This problem occurs when some files used by Windows Update are corrupted or missing.
To resolve this Windows Update error, follow these steps:
Step 1: Run the easy fix for Windows Update
Just download the easy fix, then click Run.
Step 2: Use System File Checker to repair damaged Windows files
If the problem continues, use the System File Checker tool to repair damaged Windows files, and then run Windows Update again. To do this, follow these steps:
- Open an elevated command prompt.
- Run the following command:
- Try to install update again.
For more information about the System File Checker tool, view Use the System File Checker tool to repair missing or corrupted system files.
Step 3: Run the System Update Readiness tool
If the problem continues, use the System Update Readiness tool (CheckSur) to fix this issue.