Issue Description
Windows Update may freeze at 0% or stall mid-installation.
Common Causes
- Corrupted update cache
- Insufficient disk space
- Network interruptions
Step-by-Step Solution
Step 1: Restart the PC
- Allow Windows to restart normally
- Retry Windows Update once
Step 2: Free Disk Space
- Open Settings → System → Storage
- Remove temporary files
- Ensure at least 15–20 GB free space
Step 3: Clear Update Cache
- Open Command Prompt (Admin)
- Run:
- net stop wuauserv
- net stop bits
- Delete contents of C:WindowsSoftwareDistribution
- Restart services:
- net start wuauserv
- net start bits
Step 4: Run Update Troubleshooter
- Open Settings → Troubleshoot → Other troubleshooters
- Run Windows Update
Explore Further
- Install updates manually from Microsoft Update Catalog
Prevention & Best Practices
Avoid interrupting updates and maintain adequate disk space.