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

Fix Maven Dependency Resolution Failed in IntelliJ

Fix DNS Client Service Not Running in Command Prompt

When you run commands like ipconfig /flushdns or ipconfig /registerdns ...

Fix Cloudflare DNS Not Working with VPN Connection

If you use Cloudflare DNS (1.1.1.1) and a VPN together, you may hit a snag where DNS stops resolv...

How to Repair Corrupted Windows System Files Using SFC and DISM

You might be seeing blue screens, application crashes, or strange error messages. Corrupted syste...

How to Fix a 502 Bad Gateway Error in Windows Terminal

If you see a 502 Bad Gateway error in Windows Terminal, it usually means the ter...

Cloudflare Tunnel Connection Timeout: How to Fix

You set up a Cloudflare Tunnel (formerly Argo Tunnel) and now you're seeing connection timeouts. ...