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

Where Windows Defender Stores Its Cache Files

If Windows Defender (now Microsoft Defender Antivirus) won't update definitions, hangs during sca...

Fix Nginx 502 Bad Gateway in Docker Containers

You're running an Nginx container in Docker, but instead of your app, you see a 502 Bad Gateway e...

Fix Windows Defender Invalid Configuration After Update

After a Windows update, you might open Windows Security and see a yellow warning: "Invalid config...

How to Fix Windows Update That Failed to Install Manually

You click 'Install now' on a Windows update, wait through the progress bar, and then see 'Update ...

How to Disable Chrome Hardware Acceleration for High CPU Usage

If Chrome is making your computer fans spin up or slowing everything down, hardware acceleration ...

Fix 'chrome command not found' After Snap Install