Software troubleshooting desk

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

Symptom

Cause

Fix route

Verify

Fresh repair notes

All notes

Fix Blue Screen Loop After Windows 11 Update

You install a Windows 11 update, restart, and then get stuck in a blue screen loop—the system cra...

Fix Git Pull Unrelated Histories Error: Step-by-Step

You run git pull and see: fatal: refusing to merge unrelated histories....

Fix Git 'index.lock file exists' Error

If you see fatal: Unable to create 'path/.git/index.lock': File exists. when...

Fix 'pip install' Permission Denied on Ubuntu

When you run pip install somepackage on Ubuntu and see a Permission denied

Fix Git SSL Certificate Problem: Unable to Get Local Issuer on GitHub
If you see fatal: unable to access 'https://github.com/...': SSL certificate proble...

VS Code Git Not Detecting Changes: Step-by-Step Fix You've edited files in VS Code, but the Source Control panel shows no changes. The git icon m...

Issue queue Sitemap Fix Repeated Explorer Restarts on Windows 11 Fix npm ERR! enoent ENOENT: package.json Not Found in node_modules Resolving Same-Line Git Merge Conflicts Git Detached HEAD Explained and Troubleshooting Guide Fix Cloudflare DNS Not Updating How to Fix Nginx Invalid Parameter Error Fix Nginx Upstream Connection Refused Timeout Error Docker Nginx 502 Bad Gateway After Restart Fix How to Resolve VSCode Docker Permission Errors Docker Compose Build Args Not Working How to Fix 'Remote Desktop Credentials Did Not Work' How to Fix Windows Update Error 0x800f081f Desk note Troubleshooting paths Home Windows FixesmacOS HelpBrowser IssuesOffice ToolsDeveloper ToolsCloud SoftwareSecurity ToolsBackup RecoveryNetwork ToolsDatabase ToolsAI ToolsProductivity AppsCLI ErrorsDocker KubernetesEmail ClientsFile Utilities