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

Fix Chrome Slow and High Memory Usage

If Chrome feels sluggish and your system is running low on memory, you're not alone. Chrome i...

Fix Windows Explorer Restarting After Update

After a Windows update, you may see Explorer repeatedly restarting—the taskbar flickers, desktop ...

How to Uninstall a Windows Update in Safe Mode After a Blue Screen

If you're seeing a blue screen after installing a Windows update, the update itself may be th...

How to Fix a Detached HEAD in Git Using SourceTree

If you open SourceTree and see a message like “You are in ‘detached HEAD’ state,” it means your w...

Fix Discord Black Screen from Chrome Hardware Acceleration

Why Chrome Hardware Acceleration Causes Discord Black Screen

When Chrome uses hardware a...

Fix Nginx Upstream Connection Refused Timeout Error

When Nginx returns 502 Bad Gateway or logs upstream connection refused timeout...