Checklists for software errors, setup, and tool workflows.

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How to Fix Windows Search 502 Bad Gateway Error

If you see a 502 Bad Gateway error when using Windows Search, it usually means the search service...

How to Fix Chrome Port Already Allocated Error

When you see 'Port already allocated' in Chrome, it usually means another process is using the po...

How to Fix Cloudflare 522 Error After Changing DNS

If you see a 522 error after changing DNS records in Cloudflare, it means Cloudflare can't reach ...

How to Fix Windows Defender Not Turning On

Windows Defender (now called Microsoft Defender Antivirus) sometimes refuses to turn on or stay o...

Fix Windows Terminal settings.json Syntax Errors

If Windows Terminal fails to start or shows a blank window, a syntax error in settings.json...

Fix Windows Defender Error 0x80070643 – Version Mismatch
You update Windows Defender and see error code 0x80070643. The update fails, and Defender may dis...