Fix Nginx Upstream Connection Refused Timeout Error
When Nginx returns 502 Bad Gateway or logs upstream connection refused timeout...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesHow to Fix Windows 11 Installation Assistant Stuck at 99%
You're running the Windows 11 Installation Assistant, it reaches 99%, and then... nothing. Th...
Fix DNS Probe Finished NXDOMAIN After Windows Update
After a Windows update, some users see the error 'DNS_PROBE_FINISHED_NXDOMAIN' in Chrome ...
Fix Git Push Rejected Non Fast Forward Branch Error
If you see ! [rejected] and non-fast-forward when running git pus...
Windows 11 Update Stuck at 0%: How to Fix with Troubleshooter
You click Check for updates, it sits at 0% for ages, and the progress bar doesn't budge. This...
Fix Remote Desktop Connection Blocked by Firewall
When you try to connect to a remote PC using Remote Desktop (RDP) and get an error like “Remote D...
Issue queue
SitemapFix Windows 11 Blue Screen After Update with Bootable USB
Troubleshooting Cloudflare Wildcard Subdomain Errors
How to Fix npm init Not Creating package.json
Docker Compose Build Args Not Working
Troubleshooting VS Code Breakpoints in WSL Environment
How to Fix a Detached HEAD with Git Reset --hard
How to Fix Docker 'No Space Left on Device' Error
Troubleshooting PyCharm Virtual Environment Not Working
Fix Windows 11 Update Stuck at 0% with SFC
Fix Python Dependency Conflicts After an Update
Internet Connected but No Browsing: DNS Fix
Git SSL Certificate Error: Unable to Get Local Issuer – Practical Solutions
Troubleshooting Cloudflare Wildcard Subdomain Errors
How to Fix npm init Not Creating package.json
Docker Compose Build Args Not Working
Troubleshooting VS Code Breakpoints in WSL Environment
How to Fix a Detached HEAD with Git Reset --hard
How to Fix Docker 'No Space Left on Device' Error
Troubleshooting PyCharm Virtual Environment Not Working
Fix Windows 11 Update Stuck at 0% with SFC
Fix Python Dependency Conflicts After an Update
Internet Connected but No Browsing: DNS Fix
Git SSL Certificate Error: Unable to Get Local Issuer – Practical Solutions