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 Upstream Connection Refused in Docker

You have Nginx running, either on the host or in a container, proxying to another Docker containe...

Fix Nginx Config Test 'Permission Denied' Error

Running nginx -t and seeing 'permission denied' can stop you from reloading ...

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:...

How to Fix Chrome ERR_CONNECTION_RESET with DNS Flush
If Chrome shows ERR_CONNECTION_RESET, the connection was interrupted. This often...

Fixing Windows Update Error 0x80070005 and SFC Scan Issues
You try to run Windows Update but get error 0x80070005. When you run System File Checker (SFC /sc...

Fix Docker Desktop Engine Stopped Due to WSL Issue
You start Docker Desktop, but the engine stops almost immediately, often with a message about WSL...

Issue queue
Sitemap
Fix Nginx 502 Bad Gateway in Docker Due to Memory Limits
How to Fix DNS_PROBE_FINISHED_NXDOMAIN on WiFi
Python ftplib Unicode Error Fix Guide
Nginx Upstream Connection Refused Socket Fix
VSCode Git Auth Error on Windows – Troubleshooting Guide
Nginx Upstream Connection Refused: Cloudflare Fix Guide
Troubleshooting Git index.lock File Exists on Windows
Fix git index.lock File Exists Error on Windows
How to Resolve Cloudflare SSL Mismatch
Nginx Too Many Redirects? Here's How to Fix It
SourceTree Detached HEAD: How to Fix It
Windows Search Indexer Permission Error Fix
Desk note

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