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

How to Fix OpenVPN Certificate Verification Failed

You see "certificate verification failed" when connecting to an OpenVPN server. This usually mean...

Fix Microsoft Store Stuck on Loading After Update

After a Windows update, you may find the Microsoft Store stuck on a loading screen, spinning endl...

How to Fix Remote Desktop Certificate Expired Error

When you connect to a remote desktop and see a message that the certificate has expired, it usual...

How to Fix PowerShell Access Denied Errors on Windows

When you run a PowerShell command or script and see an 'Access Denied' error, it usually means Po...

Fix Outlook Reset Settings Permission Denied Error

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...