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

Java JDK Not Recognized After Installation: Fixes and Checks

Task Scheduler Proxy Configuration Checklist

When scheduled tasks fail with network errors, the proxy configuration is often the culprit. This...

Microsoft Store 504 Error: Beginner's Troubleshooting Checklist

You open the Microsoft Store and instead of apps, you see a 504 error. This usually means the sto...

Fix OBS Black Screen After Game Capture Setup

You set up a game capture source in OBS Studio, but the preview shows a black screen. The game ru...

Fix Chrome Blank Screen When Switching Profiles

If Chrome shows a blank screen (white or grey) after you switch user profiles, you're not alone. ...

Fix Windows Defender Sync Issues with Microsoft 365

When Windows Defender fails to sync with Microsoft 365, you might see alerts like "Can't connect ...