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 with Proxy: Unable to Get Local Issuer

When you see fatal: unable to access 'https://...': SSL certificate problem: unable...

Resolve Python Package Version Mismatch Errors
You run pip install and see errors like “package A requires package B==1.0 but y...

Nginx Permission Denied After Restart: Fixes That Work
After restarting nginx, you might see errors like connect() to unix:/var/run/php-fpm.sock f...

Fix Git SSL Certificate Error: Unable to Get Local Issuer
If you see the error fatal: unable to access 'https://...': SSL certificate problem...

Fixing Cloudflare Wildcard Subdomain Proxy Errors
If you've set up a wildcard DNS record (e.g., *.example.com) in Cloudflare and a...

Fix 'Permission Denied' When Activating Python venv When you try to activate a Python virtual environment with source venv/bin/activate ...

Issue queue Sitemap Troubleshooting Git Clone Timeout Errors How to Fix Python Dependency Conflicts When Installing Packages Docker Container Exits Instantly: Linux Troubleshooting How to Fix Chrome Status Access Violation Error How to Solve Node.js Heap Out of Memory in React Builds VPN DNS Probe NXDOMAIN Error Fix Docker Container Exits Immediately: Network Troubleshooting Fix Missing IntelliSense in VS Code Remote WSL Fix npm run build: Module Not Found Error How to Fix Breakpoints Not Working in Jest with VS Code Docker Port Conflict: How to Resolve Fix VS Code Breakpoints Not Hit in Multi-Root Workspace Desk note Troubleshooting paths Home Windows FixesmacOS HelpBrowser IssuesOffice ToolsDeveloper ToolsCloud SoftwareSecurity ToolsBackup RecoveryNetwork ToolsDatabase ToolsAI ToolsProductivity AppsCLI ErrorsDocker KubernetesEmail ClientsFile Utilities