Knowledge base for software setup, errors, and daily tool work.

Fix Microsoft Teams Port Already Allocated Error

You launch Microsoft Teams and see an error: 'port already allocated'. This usually means another...

Chrome Profile Access Denied: Troubleshooting Checklist

You try to launch Chrome and get an error that your profile cannot be accessed. This usually mean...

Windows Restore Point Missing After Update – How to Fix

You updated Windows, and now your System Restore points are gone. This is a known issue after maj...

Fix Windows Update Proxy Errors After Network Change

If you recently switched networks—say, from a corporate VPN to a home Wi-Fi—and Windows Update no...

Firefox Secure Connection Failed: Step-by-Step Checklist

When Firefox shows 'Secure Connection Failed' (error codes like SEC_ERROR_UNKNOWN_ISSUER or MOZIL...

Resolving npm Dependency Conflicts After an Update