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

Fix Git Detached HEAD State in Visual Studio Code

You open your project in Visual Studio Code, check the Git graph or status bar, and see something...

Fix Nginx Permission Denied for Static Files

Common Causes

When Nginx returns a 403 Forbidden or 'permission denied' error for...

How to Reset Windows Security App Settings

If the Windows Security app isn't opening, showing errors, or behaving oddly, resetting its s...

Fix Git 'index.lock file exists' Error

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

DNS Probe Finished NXDOMAIN: Fix When ipconfig /flushdns Fails

You're browsing normally and suddenly Chrome shows "DNS_PROBE_FINISHED_NXDOMAIN". You...