Fix Nginx 502 Bad Gateway: Upstream Connection Refused
If you're seeing a 502 Bad Gateway error with "upstream connection refused" in your N...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesChrome Profile Sync Not Working After Update: Fixes
After a Chrome update, you might see sync paused or error messages. Your bookmarks, passwords, or...
Fix Nginx Config Test 'Permission Denied' Error
Running nginx -t and seeing 'permission denied' can stop you from reloading ...
Fix Cloudflare Origin Certificate Permission Denied Error
You've set up a Cloudflare origin certificate on your server, but now you're seeing a ...
Fix Chrome Slow and High Memory Usage
If Chrome feels sluggish and your system is running low on memory, you're not alone. Chrome i...
Fix VSCode Breakpoints Not Hitting in TypeScript
You set a breakpoint in a TypeScript file, run the debugger, and execution never pauses. This is ...
Issue queue
SitemapGit Unrelated Histories Merge Error Fix
Chrome NET::ERR_CERT_AUTHORITY_INVALID – Clear Certificate Cache Guide
How to Get PowerShell Back in VS Code Terminal
Node.js Heap Out of Memory vs Stack Overflow: Key Differences
How to Resolve SSH Permission Denied in VS Code Terminal
Windows 11 VS Code Source Control Not Working
VS Code Source Control Not Showing Changes: Fix
How to Sync Edge with Your Work Account
Troubleshooting Nginx Upstream Connection Refused Port 80
Fix Git Push Rejected Non Fast Forward Error
Fix Externally Managed Environment Warning in pip
Fix Node Version Errors When Installing Packages
Chrome NET::ERR_CERT_AUTHORITY_INVALID – Clear Certificate Cache Guide
How to Get PowerShell Back in VS Code Terminal
Node.js Heap Out of Memory vs Stack Overflow: Key Differences
How to Resolve SSH Permission Denied in VS Code Terminal
Windows 11 VS Code Source Control Not Working
VS Code Source Control Not Showing Changes: Fix
How to Sync Edge with Your Work Account
Troubleshooting Nginx Upstream Connection Refused Port 80
Fix Git Push Rejected Non Fast Forward Error
Fix Externally Managed Environment Warning in pip
Fix Node Version Errors When Installing Packages