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Fix Windows Defender Error 0x80070643 – Version Mismatch - How to Fix Microsoft Store Loading Issue in Windows 11-Troubleshoot Windows Defender Sync on macOS

2026-06-13 14:12:50
Fix Windows Defender Error 0x80070643 – Version Mismatch - How to Fix Microsoft Store Loading Issue in Windows 11-Troubleshoot Windows Defender Sync on macOS

Result check

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

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