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

Docker Restart Policy Not Working: Common Fixes

You set a restart policy on a Docker container, but it stops and stays stopped. This is a common ...

Fix 'Windows Activation Command Not Found' by Checking System Files

When you run slmgr.vbs or cscript slmgr.vbs to activate Windows and get...

How to Fix PowerShell Version Mismatch Error

How to Unlock a File in Use by Another Program in Windows

You try to delete, rename, or move a file in Windows and get an error: "The action can't be compl...

Windows Activation: Cache Clear vs Reset – What’s the Difference?

If Windows suddenly shows an activation error after a hardware change or update, you might need t...

Fix DNS Client Service Not Running in Command Prompt

When you run commands like ipconfig /flushdns or ipconfig /registerdns ...