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

How to Rebuild a Single Service Without Cache in Docker Compose

When you run docker compose build --no-cache, Docker rebuilds every service from scr...

Fix Windows Activation Service Unavailable on Windows 10 Pro

If you see the error 'Windows Activation Service Unavailable' on Windows 10 Pro, it usually means...

How to Fix PostgreSQL Connection Refused on Localhost

You try to connect to PostgreSQL on localhost and get connection refused. This usual...

Fix Windows Defender Token Expired Registry Error

If you see an error like "Token expired" in Windows Security or Event Viewer, it usually...

Fix PowerShell Token Expired in VS Code Terminal

If you see a token expired error in the PowerShell terminal inside Visual Studio...

Fix KMS Activation Error: Port 1688 Already in Use