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 Remote Origin Already Exists' on Bitbucket

When you try to add a Bitbucket remote to a local Git repository and see fatal: remote orig...

Update Git SSL Certificates to Fix 'unable to get local issuer'
If you see fatal: unable to access 'https://...': SSL certificate problem: unable t...

Docker Container Exits Immediately: Fix with Restart Policy
You start a Docker container, it runs for a second, then stops. No error messages, just a quick e...

Fix Git 'index.lock file exists' Error
If you see fatal: Unable to create 'path/.git/index.lock': File exists. when...

How to Fix a Detached HEAD with Git Reset --hard
You're working in Git, and suddenly you see a warning: You are in 'detached HEAD...


    Issue queue
Sitemap
Troubleshooting VS Code Git Change Detection
Fix Git SSL 'unable to get local issuer' Error
Fix Docker Nginx 502 Bad Gateway After Restart
Force Stop Windows Update Service When Stuck
Troubleshooting Cloudflare Full Strict SSL Errors
Fix Nginx Permission Denied on Configuration File
Fix Docker Compose .env File Not Loading
Fix Blue Screen and Rollback on Windows 11 Update
Fix Blue Screen Loop After Windows 11 Update
Avoid Hanging: Python Requests POST Timeout Guide
Fix Windows Update Service Not Running in Event Viewer
Cloudflare DNS Propagation Stuck: How to Fix
Desk note

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