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

Fix PuTTY Connection Refused After Server Restart

You restart your server, open PuTTY, and see "Connection refused". This is a com...

Fix Windows Security Service Not Starting

You open Windows Security and see an error that the service isn't running. Or you get a notificat...

Fix Windows Activation Blank Screen in Command Prompt Repair

You open Command Prompt as administrator to run activation commands, but the window is blank—no p...

How to Fix Microsoft Store App Installation Failed Errors

You click Install, the progress bar moves a little, then you see "Installation failed" with an er...

Fixing Remote Desktop Dependency Conflict & Permission Denied

When you try to connect to a remote desktop and see "dependency conflict" or "permission denied",...

How to Fix Microsoft Teams 404 Not Found Permissions Error