Software troubleshooting desk

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

Symptom

Cause

Fix route

Verify

Fresh repair notes

All notes

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

You run git merge and get an error: fatal: refusing to merge unrelated histories...

Fixing Nginx 502 Bad Gateway in Docker WordPress Setups
If you're running WordPress in Docker behind an Nginx reverse proxy, a 502 Bad Gateway error ...

Fix pip Error: Externally Managed Environment
If you're on a modern Linux distribution (like Debian 12, Ubuntu 23.04+, Fedora, or Arch) and...

VS Code Git Changes Not Detected After Save: Fixes
You save a file in VS Code, but the Source Control panel shows no changes. The file doesn't a...

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

Pip Externally Managed Environment vs Virtual Environment: Fixes You try to install a Python package with pip, and get an error like error: externally-manag...

Issue queue Sitemap Quick Guide to Node Version Compatibility with npm Packages Resolving Permission Error 0x80070005 in Windows Update How to Resolve Node Sass Version Incompatibility Fix ERR_NAME_NOT_RESOLVED DNS Configuration Error ERR_NAME_NOT_RESOLVED on Chrome for Mac: How to Fix Resolving Nginx Upstream Refused Errors with Cloudflare Resolve Python UnicodeDecodeError for UTF-16 Files Nginx 502 Error in Docker: Causes and Solutions Fix Windows Update Service Not Running in Windows 11 Chrome Black Screen on Startup: Hardware Acceleration Fix Resolve npm Global Permission Denied on macOS/Linux Fix 'package.json Not Found' After Cloning a Repository Desk note Troubleshooting paths Home Windows FixesmacOS HelpBrowser IssuesOffice ToolsDeveloper ToolsCloud SoftwareSecurity ToolsBackup RecoveryNetwork ToolsDatabase ToolsAI ToolsProductivity AppsCLI ErrorsDocker KubernetesEmail ClientsFile Utilities