zhizhu
Home / windows-fixes / Fix PuTTY Network Error: Connection Refused on Ubuntu - Fix Firefox 'Profile Missing Permission Denied' Error-Fix Windows Security Auto-Start Permission Denied Error

Fix PuTTY Network Error: Connection Refused on Ubuntu - Fix Firefox 'Profile Missing Permission Denied' Error-Fix Windows Security Auto-Start Permission Denied Error

Updated 2026-06-13 14:34:53windows-fixes
Fix PuTTY Network Error: Connection Refused on Ubuntu - Fix Firefox 'Profile Missing Permission Denied' Error-Fix Windows Security Auto-Start Permission Denied Error
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.