Checklists for software errors, setup, and tool workflows.

Fix PowerShell Not Opening After Windows Update

After a Windows update, you might find that PowerShell won't open at all—no window appears, or it...

How to Fix Windows Defender Scanning Taking Too Long

If Windows Defender (Microsoft Defender Antivirus) scans are taking unusually long—sometimes hour...

How to Fix Outlook Rate Limit Error in Office 365

Understanding the Error

You may see a message like "Too many requests" or "Server busy" ...

Clear PowerShell Command Cache After Module Update

After updating a PowerShell module, you may notice that new cmdlets or changes don't appear immed...

Command Prompt Troubleshooting Checklist for Windows

When Command Prompt stops working as expected—won't open, returns odd errors, or commands don't r...

Fix 'PowerShell Not Recognized as Internal or External Command'

If you see the error 'powershell' is not recognized as an internal or external command