Checklists for software errors, setup, and tool workflows.

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2. Isolate

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Fix DNS Server Not Responding Using Command Prompt

When you see a "DNS server not responding" error, your browser can't translate domain names into ...

Fix Windows Search 502 Bad Gateway Error Code

You may see a 502 Bad Gateway error when using Windows Search, especially if you rely on web sear...

Fix Microsoft Store 502 Bad Gateway by Clearing Cache

You open Microsoft Store and see a 502 Bad Gateway error. This usually means the...

How to Fix Edge Update Error 0x80070643

When updating Microsoft Edge, you may encounter error 0x80070643. This usually indicates a proble...

Fix Microsoft Store 'Failed to Start' Permission Denied Error

If you see "Microsoft Store failed to start" with a "Permission denied"<...

SSL Certificate Error in Windows Defender: Troubleshooting Checklist
If you see an SSL certificate error when Windows Defender tries to update or scan, it usually poi...