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

Fix Nginx Permission Denied for Static Files

Common Causes

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

Fixing Cloudflare Wildcard Subdomain Proxy Errors

If you've set up a wildcard DNS record (e.g., *.example.com) in Cloudflare and a...

How to Show Hidden Icons on Taskbar in Windows 10

You may notice that some app icons in the system tray (notification area) are hidden behind an up...

Windows 11 Bluetooth Not Working? 10 Troubleshooting Steps

Bluetooth problems in Windows 11 are common. You might see the Bluetooth icon missing, devices no...

Fix 'Python' Command Not Found After Reinstall on Windows

You reinstalled Python on Windows, but when you type python in Command Prompt, you g...

DNS Probe Finished NXDOMAIN: Meaning and Fixes

You're trying to visit a website but Chrome shows "DNS_PROBE_FINISHED_NXDOMAIN". This...