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

How to Reinstall Windows Security App (Microsoft Defender)

If the Windows Security app (Microsoft Defender) is missing, crashing, or not opening, reinstalli...

Node.js Memory Limit Increase Not Working: Fixes

You set --max-old-space-size=4096 but Node.js still crashes with a memory error. Thi...

Fix Windows 11 Bluetooth Driver Not Working

You're trying to connect a Bluetooth device in Windows 11, but the toggle is grayed out, devi...

Fix 'network not found' Error in Docker on Linux

When you see docker: Error response from daemon: network <name> not found on L...

Fix 'Git Remote Origin Already Exists' When Updating Remote URL

Fix Docker Container Exits Immediately in Background Mode

You run a Docker container with -d (detached mode) and it exits immediately. The con...