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

Java JDK Not Recognized After Installation: Fixes and Checks

Fix Docker Build 'exec format error' for ARM64 Images

When building a Docker image for ARM64 (e.g., on Apple Silicon or AWS Graviton), you may see an e...

Fix Windows Terminal Slow on Windows 11

If Windows Terminal feels sluggish on Windows 11—slow to open, laggy typing, or delayed command o...

Checklist for Fixing Windows Security Startup Failure

When Windows Security (formerly Windows Defender) fails to start at boot, you may see an error li...

OBS Virtual Camera Not Showing in Google Meet: Fixes

You've set up OBS Studio, added your sources, and started the virtual camera—but when you open Go...

Fix Windows Defender Real-Time Protection Greyed Out

You open Windows Security, go to Virus & threat protection, and see that the Real-time protection...