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Fix Python Venv Not Activating in PowerShell - Troubleshoot Windows Security App Crash Windows 11-Fix DNS Probe Finished NXDOMAIN Caused by Antivirus Blocking

Updated 2026-07-28 15:31:43browser-issues
Fix Python Venv Not Activating in PowerShell - Troubleshoot Windows Security App Crash Windows 11-Fix DNS Probe Finished NXDOMAIN Caused by Antivirus Blocking
Likely symptom
Likely cause
Safe rollback

Verification route

  • Repeat the original action, not only a simplified test case.
  • Restart the app or reload the service after configuration changes.