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

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...

How to Fix Command Prompt Keeps Crashing in Windows 10

If Command Prompt opens and then immediately closes, or crashes randomly while you're using it, y...

Microsoft Teams File Locked: Troubleshooting Checklist

When you see 'This file is locked' or 'The file is in use' while trying to edit a file in Microso...

How to Fix BitLocker SSL Certificate Error

Symptoms

When you try to unlock a BitLocker-protected drive or enable BitLocker, you may ...

Fix Outlook SMTP Server Not Responding Error

When Outlook says SMTP server is not responding, you can send email but not receive it. This usua...

How to Fix Outlook Data File Cannot Be Accessed Error

You open Outlook and see: "Outlook data file cannot be accessed." This usually means Outlook can'...