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: Upstream Connection Refused

If you're seeing a 502 Bad Gateway error with "upstream connection refused" in your N...

How to Fix Docker Desktop Engine Stopped Error Code 0

If Docker Desktop shows "Engine Stopped" with error code 0, the application thinks the Do...

Git Merge Unrelated Histories: When and How to Use --allow-unrelated-histories

You try to merge two branches and get fatal: refusing to merge unrelated histories. ...

Fix VS Code 'Cannot Save File: Permission Denied' on Mac

You're editing a file in VS Code on your Mac, hit save, and get: 'Failed to save:...

Fix Windows 11 Installation Assistant Stuck at 99% Registry
If the Windows 11 Installation Assistant gets stuck at 99% while processing registry entries, you...

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...

Issue queue Sitemap VS Code Source Control Ignores Subfolder Changes Fix Windows Update Service Stopped Error How to Fix Firewall Blocking Shared Folder Access ERR_CONNECTION_RESET in Chrome: How to Fix Fix Cloudflare DNS Propagation Delays How to Override pip's Externally Managed Restriction Fix Error 0x80070080: Windows Update Reset Permissions How to Set Git Proxy for Clone Timeouts Troubleshooting Git Authentication in VS Code How to Increase Node.js Memory Limit for npm Scripts VS Code GitHub Login Error: Authentication Failed Fix Docker Compose Port Already Allocated for PostgreSQL Desk note Troubleshooting paths Home Windows FixesmacOS HelpBrowser IssuesOffice ToolsDeveloper ToolsCloud SoftwareSecurity ToolsBackup RecoveryNetwork ToolsDatabase ToolsAI ToolsProductivity AppsCLI ErrorsDocker KubernetesEmail ClientsFile Utilities