Fix PowerShell DNS Error 0x8007274d: Practical Steps - Resolve 502 Bad Gateway in Windows Update-Fix pip SSL Certificate Verify Failed on macOS

Updated 2026-06-13 18:41:36security-tools
Fix PowerShell DNS Error 0x8007274d: Practical Steps - Resolve 502 Bad Gateway in Windows Update-Fix pip SSL Certificate Verify Failed on macOS
Before changing system settings, save your work and note the exact error text so you can compare results after each step.

Extra verification checklist

  • Restart the affected app after changing permissions or configuration files.
  • Test the same workflow in a clean browser profile or a temporary user account.
  • Compare the result on another network if the error may be connection related.