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 SSL Certificate Problem on Windows: Unable to Get Local Issuer

If you see fatal: unable to access 'https://...': SSL certificate problem: unable t...

Fix NET::ERR_CERT_AUTHORITY_INVALID in Chrome
When Chrome shows 'NET::ERR_CERT_AUTHORITY_INVALID', it means the browser cannot verify t...

Fix Nginx Configuration Test Failure After Adding Proxy Pass
You add a proxy_pass directive to an Nginx server block, run nginx -t, ...

Fix Node Sass Build Failure by Upgrading Node Version
If you're seeing a build error like Module build failed: Error: Node Sass does not yet ...

How to Resolve Python pip Dependency Conflicts
You run pip install and see a wall of text about DependencyConflict or ...

Fix Nginx Upstream Connection Refused Socket Error
When Nginx returns a 502 Bad Gateway or logs upstream connection refused


    Issue queue
Sitemap
Windows Can't Access Shared Folder? Firewall Fix
Fix Git SSL Certificate Error: Unable to Get Local Issuer
pip Externally Managed Environment Error Guide
Fix Docker Container Exiting Right Away in Foreground
Fix Node Version Mismatch in Your Project
Reduce Windows Search High CPU Usage
How to Resolve Cloudflare 522 Error by Adjusting Timeouts
Troubleshoot Chrome Black Screen with Zoom and GPU
npm run build: Cannot Find Module Fix
Windows Security App Won't Open in Safe Mode: Fixes
How to Resolve Cloudflare 521 on WordPress
How to Fix Windows 11 Blue Screen After a Driver Update
Desk note

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