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

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 Security App Not Responding: Step-by-Step

You open Windows Security to run a scan or check protection, but the app freezes, shows a blank w...

Fix ERR_NAME_NOT_RESOLVED Caused by Antivirus Block

If you see ERR_NAME_NOT_RESOLVED in Chrome, it usually means the browser can'...

Fix Ethernet Connected but No Internet on Windows 11

You plug in an Ethernet cable, Windows 11 shows you're connected, but websites won't load...

How to Fix Git Detached HEAD State and Undo Changes

You run git status and see something like "HEAD detached at abc123". This ha...

Fix 'Python Command Not Found' in Anaconda on Windows