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

SSH Connection Timed Out After Successful Authentication: Fixes

You've successfully authenticated to an SSH server, but the connection drops or times out shortly...

Command Prompt 504 Gateway Timeout Troubleshooting Checklist

If you're getting a 504 Gateway Timeout error while browsing or using a web service, it usually m...

Jupyter Kernel Dead: Common Causes and Fixes

You're working in a Jupyter notebook, and suddenly the kernel dies. The notebook becomes unrespon...

How to Restore Windows Search Settings from Backup

If Windows Search stops working correctly—missing files, slow indexing, or wrong results—restorin...

Windows Update Stuck on Checking for Updates? Try These Fixes

You open Windows Update, click 'Check for updates', and it sits there spinning for an hour. This ...

Fix Maven Dependency Resolution Failed in IntelliJ