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

How to Fix 'npm command not found' on Mac

How to Fix Remote Desktop Slow Over VPN

If your Remote Desktop (RDP) session is sluggish over VPN—laggy mouse, slow screen updates, frequ...

Fix Cloudflare DNS Not Resolving on Android

If you've set Cloudflare's 1.1.1.1 DNS on your Android device but websites won't load or you see ...

Fix Windows Update Connection Refused When Using VPN

If you see a "connection refused" error when running Windows Update while connected to a VPN, it'...

Fix 'Could not get lock /var/lib/dpkg/lock' Error on Ubuntu/Debian

You try to install a package with apt or dpkg, and you get the error: Could not get lock /v...