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

Fix Chrome Not Working with Proxy on Ubuntu

You configured a proxy in Ubuntu, but Chrome ignores it or throws connection errors. This often h...

Resolving npm Dependency Conflicts After an Update

Windows Defender Connection Refused: Troubleshooting Checklist

You open Windows Security and see "Connection refused" or "Something went wrong. Try reopening Wi...

Fix Microsoft Store Apps Not Downloading or Stuck

You open Microsoft Store, tap download, and nothing happens—or the progress bar barely moves. Thi...

How to Fix Microsoft Store Error 0x80073cf6 During Restore

You try to restore your Microsoft Store apps, and halfway through you see error code 0x80073cf6. ...

Fix Windows Defender SSL Certificate Error Not Working

You might see an error like 'Windows Defender cannot check for definitions because of an SSL cert...