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Fix Windows Defender Error 0x80070643 – Version Mismatch - Fix Windows Search 404 Not Found Error-Resolve Error 0x80070426 in Microsoft Teams Mic

2026-06-13 15:45:08
Fix Windows Defender Error 0x80070643 – Version Mismatch - Fix Windows Search 404 Not Found Error-Resolve Error 0x80070426 in Microsoft Teams Mic

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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