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Fix Windows Security 404 Error Not Loading - How to Troubleshoot Event ID 4625 in Windows-How to Fix Windows Defender File Locked Error

2026-06-13 15:42:48
Fix Windows Security 404 Error Not Loading - How to Troubleshoot Event ID 4625 in Windows-How to Fix Windows Defender File Locked Error

Result check

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

Next references

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