Software troubleshooting desk

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

Symptom

Cause

Fix route

Verify

Fresh repair notes

All notes

Fix Chrome Certificate Error: Invalid Authority with Proxy Settings

You open Chrome and see NET::ERR_CERT_AUTHORITY_INVALID on every site, even trus...

Fix Git Detached HEAD State in Visual Studio Code

You open your project in Visual Studio Code, check the Git graph or status bar, and see something...

Fix 'Python Command Not Found' After Windows Installation

You installed Python on Windows, but when you type python in Command Prompt, you get...

Fix Git 'index.lock' File Exists Error in IntelliJ

If you see an error like fatal: Unable to create 'project/.git/index.lock': File ex...

How to Run npm install Without sudo Permission Denied
When you run npm install -g or even a local install, you might see EACCES: per...

Fix VS Code GitHub Authentication Failed Error
You're trying to push or pull code in VS Code, but you see an error like Authentication...


    Issue queue
Sitemap
Troubleshooting Nginx 502 Upstream Connection Refused
Fixing NGINX 502 Bad Gateway in Docker Containers
Resolve Chrome Access Violation Error in Windows 10
Fix 'fatal: refusing to merge unrelated histories' in Git
Fix 0x80070002 Error Using Clean Boot
Fix Windows Explorer Restarting After Update
How to Fix Windows Update Error 0x800f081f
How to Push Large Files with Git: A Checklist
How to Add a Bluetooth Device in Windows 11
Docker Compose Environment Variable Not Working: Fixes
Fix Docker Compose Container That Exits Right Away
PowerShell Venv Activation Not Working
Desk note

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