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Fixing Nginx Upstream Connection Refused on Port 443

You see "upstream connection refused" in your Nginx error log when proxying requests to p...

Fix Git SSL Certificate Error: Unable to Get Local Issuer

If you see the error fatal: unable to access 'https://...': SSL certificate problem...

Fix PowerShell Permission Denied in VS Code
When you try to run a PowerShell script in VS Code and get a "permission denied" error, i...

Fix DNS Probe Finished NXDOMAIN on Custom DNS Server
If you see “DNS PROBE FINISHED NXDOMAIN” in Chrome or another browser while using a custom DNS se...

Git Detached HEAD: Practical Checklist and Fixes
You see a message like 'You are in 'detached HEAD' state' when checking out a com...

Fix Windows Explorer Restarting After Software Install
If you've just installed a program and Windows Explorer starts restarting repeatedly—taskbar ...


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Fixing Git Merge Abort Not Working
Git Non-Fast-Forward Push Error Fix
Resolve 522 Error with DNS-Only Mode in Cloudflare
Fix ERR_CONNECTION_RESET in Chrome: Step-by-Step
Fix Nginx Upstream Connection Refused on Port 80
ERR_NAME_NOT_RESOLVED Mac Chrome Troubleshooting
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