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

Fix Nginx Configuration Test Failed on Ubuntu

When you run nginx -t on Ubuntu and get an error, Nginx won't reload or restart....

Fix Windows Update Error 0x80070002 by Resetting SoftwareDistribution Folder

Windows Update error 0x80070002 often appears when the system cannot find or access the update fi...

Chrome Crash on Startup: How to Fix with Safe Mode

If Chrome crashes immediately when you open it, you're not alone. This often happens after a ...

Windows 11 Bluetooth Not Finding Devices: Practical Fixes

If your Windows 11 PC suddenly stops detecting Bluetooth devices—like headphones, keyboards, or m...

How to Set npm Prefix to Avoid Permission Denied Errors