Laptop BitLocker failing on drive with windows update fragmentation

4.5

Leftover Windows Update files (SoftwareDistribution) stall encryption.

Symptoms
  • Encryption hangs at 50%
  • Disk usage 100%
  • System lag
Possible Causes
  • Failed updates
  • Large update history

Step-by-Step Fix

1

Clear SoftwareDistribution

Stop "wuauserv", delete C:WindowsSoftwareDistribution, start "wuauserv".

2

Run Windows Update Troubleshooter

Fix underlying update issues.

3

Run Disk Cleanup

Select "Windows Update Cleanup".

When to See a Technician

Windows Update files can be massive and highly fragmented; clean them out regularly.

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