Windows Update Stuck at 0% or 100%? Fix It Fast

When updates freeze, it’s often a corrupted cache or service issue.

1) Wait 20–30 minutes

Large cumulative updates can pause at 0% or 100% while processing.

2) Restart Windows Update services

Open Command Prompt (Admin) and run:

• net stop wuauserv
• net stop bits
• net stop cryptsvc
• ren C:\Windows\SoftwareDistribution SoftwareDistribution.old
• ren C:\Windows\System32\catroot2 catroot2.old
• net start cryptsvc
• net start bits
• net start wuauserv

3) Run the troubleshooter

Settings → System → Troubleshoot → Other troubleshooters → Windows Update.