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 Proxy Pass

When Nginx returns a 502 Bad Gateway or logs upstream connection refused

Fix npm run build: Module Not Found Error
When you run npm run build and see a Module not found error, the bu...

Windows Security App Not Opening on Windows 10: Fixes That Work
When you click the Windows Security icon in the Start menu or taskbar and nothing happens, it’s u...

Checklist for Fixing Shared Folder Access in Windows
When you can't access a shared folder on Windows, the problem usually comes down to permissio...

Fix Git SSL Certificate Verify Failed: Unable to Get Local Issuer
When you see fatal: unable to access '...': SSL certificate problem: unable to get ...

Fix Nginx 13 Permission Denied Error: Step-by-Step
You're configuring Nginx and see 13: Permission denied in the error log. This us...


    Issue queue
Sitemap
How to Disable Shell Extensions to Stop Explorer Restarting
WiFi Connected but No Internet on Wake: Windows 11 Guide
VSCode Rust Completion Not Showing
Troubleshooting Git Clone SSL Timeout
How to Fix a Detached HEAD in Git Using SourceTree
Troubleshooting RDP Connectivity Problems
Stop Docker Desktop Engine from Shutting Down
Fix Git Push Rejected Non Fast Forward Branch Error
Windows 10 Docker Pull Access Denied Fix
VSCode Python Debugger Ignores Breakpoints: Solutions
Fix Git Merge Refusing Unrelated Histories
Fix VSCode IntelliSense Not Working with TypeScript
Desk note

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