Docker Compose Environment Variable Not Working: Fixes
You define a variable in a .env file or directly in docker-compose.yml, but your container sees n...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesFix Discord Black Screen from Chrome Hardware Acceleration
Why Chrome Hardware Acceleration Causes Discord Black Screen
When Chrome uses hardware a...
Fix NET::ERR_CERT_AUTHORITY_INVALID in Chrome Safe Mode
When you see NET::ERR_CERT_AUTHORITY_INVALID in Chrome while running in Safe Mod...
VS Code Terminal Blank Screen: Quick Fixes
You open the integrated terminal in VS Code, but instead of a prompt, you get a blank or black sc...
Fix Nginx Upstream Connection Refused in Proxy Pass
When Nginx returns a 502 Bad Gateway or logs upstream connection refused
Docker Desktop Engine Stopped After Update: Fixes
After a Docker Desktop update, you may see the engine fail to start. The UI shows a red status ba...
Issue queue
SitemapCloudflare 521 Error Troubleshooting: Server Logs Guide
Resolve Git Refusing to Merge Unrelated Histories
How to Fix ERR_CONNECTION_RESET on Chrome Mobile
Fix Docker Container Crashing on Startup
Keep Both Files After Git Merge Conflict
Fix Chrome Extensions That Won't Install from Web Store
Windows Update Service Troubleshooting Checklist
Resolve Chrome Access Violation Error macOS
Fix 0x80070002 Error by Resetting Windows Update Components
Nginx Redirect Loop Not Working: Causes and Fixes
Fix Windows 11 Stuck in Restart Loop After Blue Screen
Docker Disk Full: Using system df to Diagnose
Resolve Git Refusing to Merge Unrelated Histories
How to Fix ERR_CONNECTION_RESET on Chrome Mobile
Fix Docker Container Crashing on Startup
Keep Both Files After Git Merge Conflict
Fix Chrome Extensions That Won't Install from Web Store
Windows Update Service Troubleshooting Checklist
Resolve Chrome Access Violation Error macOS
Fix 0x80070002 Error by Resetting Windows Update Components
Nginx Redirect Loop Not Working: Causes and Fixes
Fix Windows 11 Stuck in Restart Loop After Blue Screen
Docker Disk Full: Using system df to Diagnose