Software troubleshooting desk

Practical fixes for tool errors, setup blocks, and workflow issues.

Symptom

Cause

Fix route

Verify

Fresh repair notes

All notes

Fixing Nginx Upstream Connection Refused on Port 443

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

How to Fix Windows Explorer Keeps Restarting

If Windows Explorer (the desktop, taskbar, and file manager) keeps restarting, you'll see the...

Fix Nginx 502 Bad Gateway with Docker Environment Variables

If you see a 502 Bad Gateway from nginx running in Docker, it usually means ngin...

Docker Compose Environment Variable Not Set in Dockerfile

You set an environment variable in your docker-compose.yml file, but when you try to...

Fix Chrome Memory Spikes When Watching Videos

You're watching a video in Chrome, and suddenly the system slows down, fans spin up, or tabs ...

Fix 'Python Is Not Recognized as an Internal or External Command'

When you type python in the Command Prompt and see 'python is not recognized...

Issue queue
Sitemap
Fix Git Detached HEAD Without Losing Work
Cloudflare DNS Update Propagation Checker
Git Large File Push Timeout Troubleshooting
Fix Windows 11 BSOD After Cumulative Update
How to Fix Remote Desktop Error 0x204
Fix VS Code Source Control Not Detecting Changes on Ubuntu
Fixing Node.js Heap Out of Memory on Windows
Fix Nginx Configuration Test Failed
Resolve UnicodeDecodeError When Reading CSV in Python
Windows 7 Chrome Access Violation: Causes and Solutions
Fix 'git remote add origin already exists' Error
Cloudflare DNS Propagation Stuck for www Record
Desk note

Troubleshooting paths
Home
Windows FixesmacOS HelpBrowser IssuesOffice ToolsDeveloper ToolsCloud SoftwareSecurity ToolsBackup RecoveryNetwork ToolsDatabase ToolsAI ToolsProductivity AppsCLI ErrorsDocker KubernetesEmail ClientsFile Utilities