Checklists for software errors, setup, and tool workflows.

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Fix Windows Security 502 Bad Gateway Error

If you're seeing a "502 Bad Gateway" error when opening Windows Security (also known as Windows D...

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 Task Scheduler SSL Certificate Error 0x80070005

When you set up a scheduled task that connects to a remote server over HTTPS, you might see error...

Fix Windows Defender Token Expired Group Policy Error

You may see a Windows Defender error like 'Token expired' or 'The token is expired' in the Window...

Fix Command Prompt Not Recognizing Commands

You type a command in Command Prompt and get '...' is not recognized as an internal or exte...

Fix Windows Search Error 0x80070490: Version Mismatch
If you see error 0x80070490 when searching in Windows, it usually means a component version misma...