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

How to Fix Nginx Redirect Loop in Server Block

You set up a server block in Nginx, but now the browser keeps redirecting—http to https, or www t...

How to Fix Git Detached HEAD in IntelliJ IDEA

If you see a message like “You are in ‘detached HEAD’ state” in IntelliJ IDEA, it means your work...

Fix Windows 11 Blue Screen After Update Using Compatibility Mode

You installed a Windows 11 update, rebooted, and hit a blue screen. This often happens when a dri...

Fix DNS Probe Finished NXDOMAIN Caused by Antivirus Blocking

You try to load a website and see DNS_PROBE_FINISHED_NXDOMAIN in Chrome, or simi...

VS Code IntelliSense Not Working for C++: Practical Fixes

If you're editing C++ code in Visual Studio Code and IntelliSense stops working—no auto-compl...

Fix 'pip install' Permission Denied on Ubuntu