Software troubleshooting desk

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

Symptom

Cause

Fix route

Verify

Fresh repair notes

All notes

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

If you use SourceTree and see an error message like fatal: Unable to create 'path/to/.g...

Fix Python Venv Not Activating in PowerShell
You open PowerShell, navigate to your project, and run venv\Scripts\activate but not...

Fix Git Pull Unrelated Histories Error: Step-by-Step
You run git pull and see: fatal: refusing to merge unrelated histories....

Fixing Nginx 502 Bad Gateway in Docker: Practical Steps
You set up Nginx as a reverse proxy in Docker, but instead of your app you see a 502 Bad Gateway....

Fix 'Permission Denied' in VS Code When File Isn't Read-Only
You're editing a file in VS Code and get a 'Permission denied' error when saving, eve...

Fix 'npm install' Permission Denied When Using Yarn
You run yarn install in a project and later try npm install only to hit...


    Issue queue
Sitemap
Fix 'Secure Connection Failed' in Firefox Mobile
Fix Docker Compose Env File Not Loaded
How to Fix VS Code Permission Denied on Every File
Increase Git Timeout for Large Repositories
How to Fix Cloudflare Wildcard SSL for Subdomains
Node Sass Build Error: How to Switch to Dart Sass
Git Non Fast Forward Push Error Troubleshooting
Fix Source Control Not Showing Changes in VS Code
How to Use DISM for Windows Update Error 0x80070002
Fix node-sass Build Failed: node-gyp Rebuild Error
Cloudflare Origin Certificate Missing from Dashboard
Bluetooth Support Service Stopped Windows 11
Desk note

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