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

Fix PuTTY Connection Refused: Check SSH Service

When you see 'Connection refused' in PuTTY, it usually means the SSH server on the remote machine...

Fix 'Service Not Found' Error for Task Scheduler on Ubuntu

Fix Task Scheduler DNS Error Code 0x1

If you see error code 0x1 in Task Scheduler after a task runs, it usually means the task failed. ...

Fix Windows Store Error 0x80073cf9: Clear Cache & Repair

You try to install or update an app from the Microsoft Store, and you get error 0x80073cf9. Usual...

How to Fix Command Prompt Version Mismatch Errors

You run a command in the command prompt and get a message like "This version of ... is not compat...

Resolving Windows Security Version Mismatch Errors

You open Windows Security and see an error like “This app can’t open because there’s a problem wi...