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

Fix Windows Defender Real-Time Protection Greyed Out

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

Java JDK Not Recognized After Installation: Fixes and Checks

Fix OBS Black Screen After Update: Practical Steps

If OBS Studio shows a black screen after an update—whether in preview or output—you're not alone....

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...

How to Fix SQLite Database Is Locked Error

You try to write to an SQLite database and get SQLITE_BUSY or database is lock...