Fix DNS Probe Finished NXDOMAIN on Router: Step-by-Step - Clear Chrome Certificate Cache to Fix NET::ERR_CERT_AUTHORITY_INVALID-Fix Python UnicodeDecodeError: Bytes to String

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.