Software troubleshooting desk

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

Symptom

Cause

Fix route

Verify

Fresh repair notes

All notes

Fix Nginx 'upstream connection refused' When Talking to PHP-FPM

You're seeing upstream connection refused in your Nginx error log, and your site...

Fixing VS Code Git Authentication Failed Error

If you see "Git authentication failed" when pushing or pulling in VS Code, it usually mea...

How to Recover from Detached HEAD in Git

You're working in a Git repository and suddenly see a message like 'You are in 'detac...

Fix Nginx Upstream Connection Refused in Docker

You have Nginx running, either on the host or in a container, proxying to another Docker containe...

Docker Compose .env File Not Loading: Common Fixes

You set environment variables in a .env file next to your docker-compose.yml

How to Create a New Branch from a Detached HEAD in Git
If you see a message like "You are in 'detached HEAD' state" in Git, it means you...


    Issue queue
Sitemap
How to Work Around pip's Externally Managed Environment
Setup Git Mergetool for Conflict Resolution
Windows Explorer Crashing? Diagnostic Steps for Power Users
How to Fix Git Merge Conflicts in Binary Files
How to Fix a Windows 11 Update Stuck at 0 Percent
pyproject.toml Dependency Conflict Guide
How to Set Git Proxy for Clone Timeouts
How to Fix Chrome Extensions Not Loading Properly
Python venv Troubleshooting Guide
How to Fix Nginx Redirect Loop in Server Block
Fix 'Package Requires Different Node Version' Error
Resolve Chrome Access Violation Error in Windows 10
Desk note

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