Software troubleshooting desk

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

Symptom

Cause

Fix route

Verify

Fresh repair notes

All notes

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 Git SSL Certificate Problem: Unable to Get Local Issuer

You try to clone or pull from a remote repository and get: fatal: unable to access 'htt...

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...

How to Fix a Detached HEAD in Git Using SourceTree
If you open SourceTree and see a message like “You are in ‘detached HEAD’ state,” it means your w...

Cloudflare 522 Error After Server Migration: Fixes That Work
If you've just migrated your website to a new server and now see a Cloudflare 522 error (conn...

Fix Docker Nginx 502 Bad Gateway After Restart
After restarting your Docker containers, you might see a 502 Bad Gateway error when accessing you...


    Issue queue
Sitemap
How to Fix Python Requests Connection Timeout Errors
WSL IntelliSense Not Working in VS Code: Troubleshooting Guide
Fix VS Code Breakpoints Not Hit in Multi-Root Workspace
Resolving pip Permission Errors: Practical Steps
Troubleshooting Cloudflare Wildcard Subdomain Errors
Fix Nginx 403 Forbidden: Permission Denied Errors
How to Configure Edge Sync: Complete Checklist
DNS Propagation Troubleshooting for Cloudflare Users
Git Detached HEAD Commit Recovery Guide
How to Fix Python Not Recognized in Windows 10
Fix 0x800704ec Real-Time Protection Error
How to Fix Git Push Rejected: Non-Fast-Forward Merge
Desk note

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