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

Fix WiFi No Internet After Windows 11 Update

After a Windows 11 update, you might see your WiFi connected but with no internet access. This is...

Fix DNS Probe Finished NXDOMAIN with VPN Issues

When you see 'DNS probe finished NXDOMAIN' in your browser while a VPN is active, it mean...

How to Recover Stashed Changes in Git Detached HEAD

If you've stashed changes while in a detached HEAD state in Git, you might worry they're ...

Docker Compose Environment Variable Not Updating? Fix It

Fix Git 'index.lock file exists' Error

If you see fatal: Unable to create 'path/.git/index.lock': File exists. when...

How to Recover from Detached HEAD in Git

You're working in a Git repository and suddenly see a message like 'You are in 'detac...