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

Outlook Configuration Checklist for New Email Account

Setting up a new email account in Outlook often runs into errors if the settings aren't exactly r...

Fix Windows Activation Error 504 on VPN Connection

If you see error 504 when trying to activate Windows while connected to a VPN, it usually means t...

Fix Chrome Connection Refused Certificate Issues

You're trying to visit a website in Chrome and see ERR_CONNECTION_REFUSED, somet...

How to Fix Outlook 502 Bad Gateway Error in Outlook 2019

If you see a '502 Bad Gateway' error in Outlook 2019, it usually means your email server or a pro...

Windows Security for Ubuntu Installation Checklist

Before You Install Ubuntu

If you're dual-booting Windows and Ubuntu, or replacing Windows...

Fix Microsoft Store Error 0x80073cf3 After Update

If you see error 0x80073cf3 when opening the Microsoft Store after a Windows update, the store ap...