Software troubleshooting desk

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

Symptom

Cause

Fix route

Verify

Fresh repair notes

All notes

Fix ERR_CERT_AUTHORITY_INVALID on Localhost

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

Resolve Python Package Version Mismatch Errors

You run pip install and see errors like “package A requires package B==1.0 but y...

Fix Windows Explorer Restarting After Software Install
If you've just installed a program and Windows Explorer starts restarting repeatedly—taskbar ...

Fix Git Clone Timeout in VS Code: Practical Steps
You're trying to clone a repository in VS Code, but the operation times out. This often happe...

Fix 'port already allocated' for Nginx in Docker Compose
You're starting your Docker Compose setup with Nginx, and you see "port is already alloca...

Fix Git Push Rejected: Non-Fast-Forward Error
You try to push your local commits to a remote Git repository, but Git refuses with: ! [rej...

Issue queue Sitemap Troubleshooting npm ENOENT: Missing package.json VS Code Breakpoints Not Working in WSL? Here's How to Fix Fix Blue Screen in Windows 11 Caused by Driver Update Fix Nginx Permission Denied for SSL Certificate Files Windows Update 0x80070005 Permissions Fix Git LFS Push Authentication Error Fix How to Configure pnpm Store Path (and Fix Common Issues) Resolve Nginx 502 Bad Gateway in Docker via Environment Variables Chrome Task Manager: Find and Kill Memory Hogs .dockerignore Tips to Avoid Build Context Timeouts Avoid Nginx Reload Errors with Config Check Git LFS Migrate: Rewriting History for Large Files Desk note Troubleshooting paths Home Windows FixesmacOS HelpBrowser IssuesOffice ToolsDeveloper ToolsCloud SoftwareSecurity ToolsBackup RecoveryNetwork ToolsDatabase ToolsAI ToolsProductivity AppsCLI ErrorsDocker KubernetesEmail ClientsFile Utilities