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 in Docker

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

How to Fix Git Authentication Failed in VS Code

You're in VS Code, push or pull fails with "Authentication failed"—this is common and...

How to Fix Git Refusing to Merge Unrelated Histories

When you try to merge two Git branches that have no common commit history, Git stops you with the...

How to Generate a Cloudflare Origin Certificate

If you're using Cloudflare as a reverse proxy, you may want to encrypt traffic between your s...

Fix Docker Compose Environment Variable Not Set on Build

You've defined environment variables in your docker-compose.yml under envi...

How to Fix Git index.lock File Exists Error on Mac
If you're working with Git on a Mac and see the error fatal: Unable to create '/pat...


    Issue queue
Sitemap
How to Flush DNS Cache and Fix Name Resolution Error
Windows 11 WiFi Connected but No Internet Fix
Fix VS Code Git Authentication Failed: Step-by-Step Guide
Fix ENOENT Error: package.json Not Found in React App
Troubleshoot Windows Cannot Access Network Share
Resolve Git Fatal Refusing to Merge Unrelated Histories
Troubleshoot Windows 11 BSOD After Update Using SFC
Detached HEAD in Git: Step-by-Step Recovery
SourceTree Git index.lock Error Fix
How to Disable Git in VS Code Properly
ERR_NAME_NOT_RESOLVED Chrome Fix: Proxy & DNS Steps
Fix Firefox Secure Connection Failed: Quick Guide
Desk note

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