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Fixing PowerShell Authentication Failed Due to Certificate Errors - How to Fix MySQL Connection Refused on Port 3306-Fix PowerShell Invalid Configuration on Windows Server

2026-06-14 07:15:44
Fixing PowerShell Authentication Failed Due to Certificate Errors - How to Fix MySQL Connection Refused on Port 3306-Fix PowerShell Invalid Configuration on Windows Server

Result check

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