Checklists for software errors, setup, and tool workflows.

7-Zip 'Cannot Open File as Archive' Error: Malware or Not?

You try to open a file with 7-Zip and get the error 'Cannot open file as archive'. This can happe...

Fix CMD Service Unavailable Due to Group Policy

Situation

You open Command Prompt and see an error like "Command Prompt has been disabled...

How to Fix Windows SSL Certificate Error in Chrome

If you see "Your connection is not private" or "NET::ERR_CERT_DATE_INVALID" in Chrome on Windows,...

PowerShell Version Mismatch: A Sysadmin Checklist

You run a script that worked yesterday, and today it throws errors about missing cmdlets, incompa...

Fix Outlook Configuration Error with Exchange Server

You open Outlook and get a configuration error when trying to connect to your Exchange account. T...

Fix Outlook High CPU Usage and Not Responding

You open Outlook, and it takes forever to load, the CPU meter spikes, or the window freezes and s...