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

Fix Microsoft Store Not Working Due to Proxy Settings

If the Microsoft Store won't load, shows errors, or fails to download apps, your proxy settings m...

OneDrive Sync Error 404 Not Found: Causes and Fixes

You open OneDrive and see a '404 Not Found' error during sync. This usually means OneDrive can't ...

How to Fix BitLocker Service Unavailable Error

You see a message that the BitLocker service is unavailable when you try to manage encryption, op...

Fix Microsoft Teams Network Errors After Update

After a Microsoft Teams update, you might see errors like “Can’t connect to network” or “Network ...

Fix Chrome ERR_TUNNEL_CONNECTION_FAILED When Using VPN

UFW Port Issues: A Practical Troubleshooting Checklist

When a service won't accept connections, UFW is often the first suspect. This checklist walks thr...