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 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...

Windows Update Service Missing from Services.msc: Fixes

If you open Services.msc and the Windows Update service (wuauserv) is not listed, automatic updat...

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

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

Windows Defender Real-Time Protection Greyed Out: How to Fix

If you open Windows Security and see the real-time protection toggle greyed out, you can't tu...

docker compose set environment variable from file

When running Docker Compose, you often need to pass environment variables to your services. Hardc...

How to Fix Node.js Heap Out of Memory in VS Code

If you see FATAL ERROR: Ineffective mark-compacts near heap limit Allocation failed - JavaS...


    Issue queue
Sitemap
Fix Git 'index.lock file exists' Error
Python UnicodeDecodeError Windows: Common Fixes
Fixing Windows Update Error 0x80070005 and SFC Scan Issues
Chrome Won't Open? Silent Crash on Startup Guide
Fix Windows Update Error 0x800f081f Without Resetting
Fix Cloudflare 521 Error: DNS Configuration Problem
Windows Remote Desktop Setup Checklist: 10 Steps to Connect
Git Bash Python venv Activation Fix
Fix npm ERR! enoent ENOENT: package.json Not Found on Linux
Fix npm EACCES Permission Denied for Global Install
Fix Nginx Configuration Test Failure on Location Directive
Fix Bluetooth Service Disabled in Windows 11
Desk note

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