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 Chrome Black Screen on Nvidia GPU with Hardware Acceleration

If you're seeing a black screen in Chrome—especially when watching videos or scrolling—and yo...

Fix Git Push Rejected Non Fast Forward Error

Fix Windows Update Service Not Running in Event Viewer

You open Event Viewer to check for errors after a failed Windows Update, and you see an event sta...

Fix 'Windows Cannot Access Shared Folder' via Registry

When Windows reports it cannot access a shared folder, the cause is often a misconfigured registr...

How to Resolve Git Unrelated Histories Merge Conflict

When you try to merge two branches that have no common commit history, Git refuses with fat...