Checklists for software errors, setup, and tool workflows.

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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 Cloudflare 525 Error After SSL Certificate Update

After updating an SSL certificate on your origin server, you may see a Cloudflare 525 error: SSL ...

How to Fix Microsoft Edge Not Launching

If Microsoft Edge fails to launch—clicking the icon does nothing, or the window appears briefly a...

How to Fix Microsoft Store Loading Forever on Windows 10

You click the Microsoft Store icon, but instead of the app opening, you see a spinning circle or ...

Fix Windows Defender Proxy Error: Permission Denied

You try to update Windows Defender or run a scan and get an error like "Permission denied"

Fix Windows Defender Mac Compatibility Issues with Antivirus
If you run Windows on a Mac via Boot Camp, Parallels, or VMware Fusion, you may see warnings that...