Software troubleshooting desk

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

Symptom

Cause

Fix route

Verify

Fresh repair notes

All notes

Common Causes of Nginx Configuration Test Failure

When you run nginx -t and see an error, it usually means a syntax mistake, a missing...

Fix VSCode Breakpoints Not Hit in launch.json

You set a breakpoint in Visual Studio Code, start debugging with a launch.json confi...

Fix Nginx Upstream Connection Refused in Docker

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

Fix Chrome Certificate Error: Invalid Authority SSL Certificate

If Chrome shows 'Your connection is not private' with 'NET::ERR_CERT_AUTHORITY_INVALI...

Docker Container Exits Immediately with Code 0: Fixes

You run a Docker container and it stops almost instantly with exit code 0. This means the main pr...

Python Virtual Environment Not Activating on Ubuntu: Fixes

You've created a Python virtual environment on Ubuntu, but when you run source venv/bin...


    Issue queue
Sitemap
Resolving 'index.lock file exists' in Git
Fix Windows Update Service Not Running with DISM Restore Health
How to Fix Git Push Rejected Non-Fast-Forward Error
How to Get Edge Sync Working Across Devices
Resolve Chrome Access Violation Error macOS
How to Reset Proxy Settings in Windows 11
Windows Update Service Error 1053 Fix Guide
Chrome Black Screen Mac: Disable Hardware Acceleration
How to Fix Git Clone Timeout Due to Firewall
Troubleshoot Firefox SSL Error Caused by Antivirus
Cloudflare Wildcard Subdomain Troubleshooting Checklist
Troubleshoot Chrome Status Access Violation Error
Desk note

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