Fix ERR_CONNECTION_RESET by Clearing Browser Cache - Resolve 'Permission Denied' When Running source venv/bin/activate-Chrome DNS Error: DNS_PROBE_FINISHED_NXDOMAIN Troubleshooting

Prepare
Execute
Validate
Document
Operational follow-up
- Record the exact option, command, or setting that changed the result.
- Keep a rollback note if the workflow affects shared files or team settings.