Checklists for software errors, setup, and tool workflows.

Fix Microsoft Teams Installation Error on Mac

You try to install Microsoft Teams on your Mac, but the installer fails partway through or throws...

Fix Chrome ERR_TUNNEL_CONNECTION_FAILED on Windows 10

If you see ERR_TUNNEL_CONNECTION_FAILED in Chrome while browsing on Windows 10, ...

Configure Windows Update to Trust a Custom SSL Certificate

If you manage Windows updates in an enterprise environment, you may need to use a custom SSL cert...

Fix Windows Security 502 Bad Gateway Sync Error

You open Windows Security and see a 502 Bad Gateway error when it tries to sync. This usually mea...

Fix Outlook High CPU Usage Caused by Antivirus Scanning

Symptoms and Likely Cause

You notice Outlook consuming 50% or more CPU, making your syste...

How to Fix Windows Update Error 0x80070002

You click Check for updates and after a while get error 0x80070002. It usually means Windows Upda...