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 502 Bad Gateway with Docker Socket

You have an Nginx container proxying requests to another container via the Docker socket, and you...

Fix Git SSL Certificate Problem Unable to Get Local Issuer on Ubuntu

When you see git SSL certificate problem: unable to get local issuer certificate on ...

Fix Docker Nginx 502 Bad Gateway Upstream Error

When running Nginx as a reverse proxy in Docker, a 502 Bad Gateway error with 'upstream' ...

Fix Nginx Upstream Connection Refused in Proxy Pass

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

Fix pip Externally Managed Environment Errors
If you're on a modern Linux distribution and see error: externally-managed-environment<...

How to Fix Taskbar Icons Not Loading on Startup
You boot your PC, but the taskbar icons—volume, network, battery, or pinned apps—don't show u...


    Issue queue
Sitemap
Resolving Python Package Version Conflicts
Conda Permission Denied on Package Install
Cloudflare Origin Certificate Setup for Apache
Fixing Docker Bind Mount Permission Denied Errors
Resolve Cloudflare 521 Error on Apache
Git Unrelated Histories: Merge or Rebase?
Stop Chrome Crashing When Opening on Windows 10
Fix Windows Security App Not Working
pnpm audit fix common issues and solutions
Fix VS Code Permission Denied When Saving Workspace
Fix Git 'refusing to merge unrelated histories' Error
Cloudflare DNS Not Updating After Change: Fixes That Work
Desk note

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