Software troubleshooting desk

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

Symptom

Cause

Fix route

Verify

Fresh repair notes

All notes

Windows 11 Installation Assistant Stuck at 99%: How to Reset and Finish

You're upgrading to Windows 11 using the Installation Assistant, and it gets stuck at 99% for...

Fix Git SSL Certificate Problem on Corporate Networks

If you see git SSL certificate problem: unable to get local issuer certificate while...

Fix 'nginx configuration test failed invalid parameter'

When running nginx -t to test configuration, seeing "nginx: [emerg] inva...

Fix Git SSL Certificate Problem with Proxy: Unable to Get Local Issuer
When you see fatal: unable to access 'https://...': SSL certificate problem: unable...

Python Dependency Conflict Resolution Best Practices If you've ever run pip install and seen a wall of red text about conflicting dep...

Fixing NGINX 502 Bad Gateway in Docker Containers When running NGINX as a reverse proxy in Docker, a 502 Bad Gateway error usually means NGINX cann...

Issue queue Sitemap Python Requests Timeout Default Explained Best Practices for Python Dependency Conflicts Fix VS Code Breakpoints Not Working in SSH/Container Nvidia Chrome Black Screen: Hardware Acceleration Troubleshooting Troubleshoot Edge Sync and Family Safety Fixing NGINX Upstream Connection Refused SSL Errors How to Resolve Cloudflare 522 Connection Timeout How to Fix Docker Container Exits with Command Not Found Fix npm run build Permission Denied on Linux Stop Chrome from Freezing on Startup on Your Mac How to Resolve Cloudflare 522 Due to Server Resource Exhaustion How to Fix DNS_PROBE_FINISHED_NXDOMAIN Error in Edge Desk note Troubleshooting paths Home Windows FixesmacOS HelpBrowser IssuesOffice ToolsDeveloper ToolsCloud SoftwareSecurity ToolsBackup RecoveryNetwork ToolsDatabase ToolsAI ToolsProductivity AppsCLI ErrorsDocker KubernetesEmail ClientsFile Utilities