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

How to Fix a Chrome Extension That Keeps Crashing or Stopped Working

If a Chrome extension suddenly stops responding, crashes on click, or shows a "This extension may...

Fix 'Windows Security Authentication Failed' for Domain Credentials

Fix Windows Activation Blank Screen in Safe Mode

If you see a blank screen after entering Safe Mode to activate Windows, you're likely stuck in an...

Fix Dependency Conflict Blocking Windows Activation Setup

You try to activate Windows, but the setup fails with a message about a dependency conflict. This...

Fix Putty Connection Refused on Port 22

You try to connect to a remote server with Putty on port 22, but you get 'Connection refused'. Th...

Fix 'Windows Security Error: Virus Protection Turned Off'

You open Windows Security and see a red banner: “Virus & threat protection turned off.” This can ...