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How to Enable Task Scheduler Service Manually in Windows - Windows Defender Update Fails with Code 0x80070643-Prevent Windows Version Mismatch When Reinstalling

2026-06-14 05:00:02
How to Enable Task Scheduler Service Manually in Windows - Windows Defender Update Fails with Code 0x80070643-Prevent Windows Version Mismatch When Reinstalling

Result check

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