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Troubleshooting

Fix DNS Probe Finished NXDOMAIN Error on Mac

You're browsing on your Mac and suddenly a site won't load, showing the error DNS...

Troubleshooting
Fix DNS Probe Finished NXDOMAIN in Edge Browser

When Microsoft Edge shows "DNS_PROBE_FINISHED_NXDOMAIN", it means the browser cannot reso...

Troubleshooting
Nginx Upstream Connection Refused: Diagnosis and Fixes

When Nginx returns a 502 Bad Gateway or logs "upstream connection refused", it means Ngin...

Troubleshooting
Fix Windows Search Index Exclude Folder Not Working

If you've added a folder to the exclusion list in Windows Search indexing options but files f...

Troubleshooting
ERR_NAME_NOT_RESOLVED on Chrome Linux: Fix Guide

You're browsing on Chrome in Linux and suddenly a page won't load, showing ERR_NA...

Troubleshooting
Fix VSCode IntelliSense Not Working for Node.js

You open a Node.js project in VSCode, start typing process., and get no suggestions....

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Support Note

Test fixes in a non-critical profile first, keep backups for configuration files, and record exact error messages before changing settings.