Laptop unable to use BitLocker on drive with windows error reporting fragmentation

4.5

Thousands of small error report files (WER) stall the encryption scanner.

Symptoms
  • Slow encryption progress
  • Disk usage 100%
  • System lag
Possible Causes
  • Constant app crashes
  • Large dump files

Step-by-Step Fix

1

Clear Error Reports

Use Disk Cleanup and select "System created Windows Error Reporting files".

2

Disable WER

Temporarily disable Windows Error Reporting in services.msc.

3

Delete WER Folders

Manually clear C:ProgramDataMicrosoftWindowsWER.

When to See a Technician

WER files are logs of past failures; they are safe to delete and often take up significant space.

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