Fixing Nginx 502 Bad Gateway with Docker and Load Balancers
If you're running Nginx as a reverse proxy or load balancer in a Docker setup, a 502 Bad Gate...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesWindows 11 Installation Assistant Stuck at 99%: How to Reset and Finish
You're upgrading to Windows 11 using the Installation Assistant, and it gets stuck at 99% for...
Manually Download and Fix Windows Update Error 0x80070002
You see error 0x80070002 when checking for updates. It usually means Windows Update can't fin...
Fix npm install Permission Denied When Using nvm
If you see 'EACCES: permission denied' when running npm install while using ...
How to Fix Chrome Black Screen After Turning Off Hardware Acceleration
If you turned off hardware acceleration in Chrome and now see a black screen, you're not alon...
How to Fix Nginx Configuration Test Failed Error
When you run nginx -t and see "test failed", it means nginx found a problem ...
Issue queue
SitemapResolve DNS Probe Finished NXDOMAIN Error in macOS
New Domain Cloudflare DNS Not Resolving
How to Resolve Cloudflare 522 Due to Server Resource Exhaustion
Fix Windows 11 WiFi Connected but No Internet After Sleep
How to Fix Docker Build Context Canceled Error
Fix Windows 11 Setup Stuck at 99%
Taskbar Visible But No Icons – Solutions
Fix Nginx Upstream Connection Refused Behind Cloudflare
How to Resolve Docker Overlay Network Missing Error
How to Fix Python UnicodeDecodeError: Practical Solutions
Fix Nginx Configuration Test Failure on Location Directive
Python Requests Timeout Default Explained
New Domain Cloudflare DNS Not Resolving
How to Resolve Cloudflare 522 Due to Server Resource Exhaustion
Fix Windows 11 WiFi Connected but No Internet After Sleep
How to Fix Docker Build Context Canceled Error
Fix Windows 11 Setup Stuck at 99%
Taskbar Visible But No Icons – Solutions
Fix Nginx Upstream Connection Refused Behind Cloudflare
How to Resolve Docker Overlay Network Missing Error
How to Fix Python UnicodeDecodeError: Practical Solutions
Fix Nginx Configuration Test Failure on Location Directive
Python Requests Timeout Default Explained