Checklists for software errors, setup, and tool workflows.

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Fix Windows Defender Authentication Error from Corrupted System Files

You open Windows Defender and see an authentication failed error. This often happens after a fail...

Fix Microsoft Store SSL Certificate Error Not Working

If Microsoft Store won't open or shows errors like 'SSL certificate error' or 'Can't connect to t...

Fix Windows Search 'Token Expired' Error in Office 365

You search for a file or email in Windows, and instead of results you see a message like 'Token e...

Fix Windows Security Path Not Found Error

When you try to open Windows Security (formerly Windows Defender Security Center) and see a messa...

How to Fix PowerShell Invoke-WebRequest 504 Gateway Timeout

You run Invoke-WebRequest in PowerShell and get a 504 Gateway Timeout

Fix Windows Update Service Not Running on Startup
If your PC gets stuck in an automatic repair loop and the Windows Update service is not running o...