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How to Reinstall Windows Defender in Windows 10 - Resolve Error 0x80070643 in Visual Studio Setup-How to Make a New Firefox Profile When the Old One Vanishes

2026-06-13 14:21:16
How to Reinstall Windows Defender in Windows 10 - Resolve Error 0x80070643 in Visual Studio Setup-How to Make a New Firefox Profile When the Old One Vanishes

Result check

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