
Troubleshooting
Fix Remote Desktop 502 Bad Gateway & Gateway Timeout
If you're seeing a "502 Bad Gateway" or "Gateway Timeout" when trying to connect to a remote desk...
Clear technical guides for everyday software errors, configuration problems, and productivity tools.

If you're seeing a "502 Bad Gateway" or "Gateway Timeout" when trying to connect to a remote desk...

You open Outlook and see a persistent error: "Cannot connect to your mail server. Network err...

After a Chrome update, you might see the error DNS_PROBE_FINISHED_NXDOMAIN when ...

If Firefox is unresponsive—freezing, crashing, or not loading pages—but other browsers like Chrom...

If you see "connection refused" or "permission denied" when trying to start or update Windows Def...

You open Outlook and get a 'version mismatch' error. This usually means Outlook and the mail serv...
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