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Fix Windows Update Error 0x80070020: File Locked - Fix SSL Certificate Error in Windows Search Indexing-Fix Windows Defender Not Starting on Boot

2026-06-13 16:20:42
Fix Windows Update Error 0x80070020: File Locked - Fix SSL Certificate Error in Windows Search Indexing-Fix Windows Defender Not Starting on Boot

Result check

  • Keep one change per test run so you know which step helped.
  • Undo temporary changes after the issue is confirmed.

Next references

Fix 'Permission Denied' When Running Windows Update CommandsWindows Activation Version Mismatch: IT Admin ChecklistFix Windows 11 Update Cache Clear Permission DeniedFix Windows Defender Permission Denied Registry ErrorWindows Search Token Expired: Quick FixesFix Windows Search Indexing Stuck or Frozen