Software troubleshooting desk

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

Symptom

Cause

Fix route

Verify

Fresh repair notes

All notes

Understanding Git Merge Conflict Markers: A Practical Guide

When you merge branches in Git, you may encounter conflict markers in your files. These markers s...

Fix Nginx 502 Bad Gateway with Docker Multiple Containers

If you run Nginx as a reverse proxy in front of multiple Docker containers, a 502 Bad Gateway err...

Git Merge Conflict: How to See the Diff Between Versions

When you run git merge and hit a conflict, Git pauses and marks the conflicting file...

Fix Docker Compose Port Allocation Errors

When you run docker compose up and see an error like "port is already alloca...

Fix Windows 11 No Internet but Wi-Fi Connected DNS Issue
You see the Wi-Fi icon connected with full bars, but apps, browsers, and system updates all repor...

How to Fix npm Package Json Not Found Error
When you run npm install or npm start and see npm ERR! package.js...

Issue queue Sitemap Fixing Nginx 403 Permission Denied How to Fix Windows 11 Installation Assistant 99% Hang Understanding Git's Detached HEAD State How to Stop Antivirus Blocking Windows 11 Installation Fix Cloudflare Origin Certificate Not Trusted by Browser VS Code Git Not Detecting Changes in Workspace: Fixes Personal Access Token Git Auth Issue VS Code Solution How to Override pip's Externally Managed Restriction Fix Node.js Out of Memory Errors in npm Scripts Fix Windows 11 Wi-Fi No Internet with IPv6 Off Prevent Hanging Requests in Python with Total Timeout Resolve Windows Update Error 0x80070002 Desk note Troubleshooting paths Home Windows FixesmacOS HelpBrowser IssuesOffice ToolsDeveloper ToolsCloud SoftwareSecurity ToolsBackup RecoveryNetwork ToolsDatabase ToolsAI ToolsProductivity AppsCLI ErrorsDocker KubernetesEmail ClientsFile Utilities