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How to Fix Windows Defender Update Error 0x80070643 - Fix Windows Defender Port Already Allocated Registry Error-Troubleshooting PostgreSQL Password Failure Windows 10

2026-06-13 14:20:37
How to Fix Windows Defender Update Error 0x80070643 - Fix Windows Defender Port Already Allocated Registry Error-Troubleshooting PostgreSQL Password Failure Windows 10

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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