Laptop "Windows Update" Stuck at 0% or 100%

4.5

You try to update your laptop, but the progress bar hasn't moved in hours.

Symptoms
  • Stuck update
  • Error 0x800...
  • High disk usage
Possible Causes
  • Corrupt update cache
  • Service hang
  • Insufficient space

Step-by-Step Fix

1

Run Windows Update Troubleshooter

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

2

Clear SoftwareDistribution Folder

Stop "wuauserv" service, delete contents of C:\Windows\SoftwareDistribution, and restart service.

3

Use Media Creation Tool

If the built-in update fails, use the official Microsoft tool to "Upgrade this PC".

When to See a Technician

Windows Update is notoriously fragile; clearing the cache is the most effective fix.

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