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Fix Windows Security Blank Screen by Resetting the App - How to Fix Windows Security Version Mismatch Error 0x80070422-Windows Defender Threat Service Not Running – How to Fix

2026-06-13 15:01:24
Fix Windows Security Blank Screen by Resetting the App - How to Fix Windows Security Version Mismatch Error 0x80070422-Windows Defender Threat Service Not Running – How to Fix

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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