Software troubleshooting desk

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

Symptom

Cause

Fix route

Verify

Fresh repair notes

All notes

How to Fix Nginx 502 Bad Gateway in Docker Logs

If your Nginx container shows a 502 Bad Gateway error, it usually means Nginx cannot...

Fix ERR_CONNECTION_RESET in Chrome on Mac

If you see ERR_CONNECTION_RESET in Chrome on your Mac, the browser cannot establ...

Fix ERR_CERT_AUTHORITY_INVALID on Localhost

When testing a local web app, you may see ERR_CERT_AUTHORITY_INVALID in Chrome or si...

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 Nginx Configuration Test Failure from Rewrite Rules
You run nginx -t and get an error. The log points to a rewrite rule. This is common ...

Fix npm install Permission Denied in VS Code Terminal
When you run npm install in the VS Code terminal and get a permission denied error, ...

Issue queue
Sitemap
Windows Update 0x80070005 Permission Error Guide
Git index.lock: Causes and Prevention
Fix VS Code Permission Denied When Saving Workspace
DNS_PROBE_FINISHED_NXDOMAIN: Step-by-Step Checklist
Docker Compose Ignoring Default Environment Variable
Python venv Activation Error: No Such File or Directory Fix
Fix Docker Container Crashing on Startup
Troubleshooting VS Code Terminal Blank Screen
Windows Docker Volume Permission Denied Solution
How to Stop Chrome Crashing on Launch
VSCode Node.js IntelliSense Not Working Fix
How to Create a Docker Network If Not Found
Desk note

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