Checklists for software errors, setup, and tool workflows.

Fix Windows Search Returning 404 Not Found Error

When you search for a file or app in Windows and click a result, you may see a ‘404 Not Found’ er...

Fix Windows Security High Memory Usage (100%)

You open Task Manager and see Windows Security (or Antimalware Service Executable) using nearly 1...

Fix Windows Security Rate Limit Error 0x80070005

You open Windows Security and see an error: 0x80070005. Sometimes it says "Access denied" or "Rat...

Troubleshooting PowerShell Azure AD Connection Failures

When you run a PowerShell cmdlet like Connect-AzureAD and get an error, it can stop ...

Fix 'Outlook File Locked by Windows File Sharing' Error

You try to open Outlook and get an error that the PST or OST file is locked by Windows file shari...

How to Set Up Remote Desktop on Windows 11

Before You Start

Remote Desktop lets you connect to your Windows 11 PC from another devic...