Software troubleshooting desk

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

Symptom

Cause

Fix route

Verify

Fresh repair notes

All notes

Fix Chrome Certificate Error Invalid Authority on Mac

You're browsing in Chrome on a Mac and suddenly see a warning: Your connection is not...

Fix Windows Defender Real-Time Protection Permission Denied
When you try to turn on or off Windows Defender real-time protection, you might see a "Permis...

Fix 'pip externally managed environment' Error on Python 3.11
When you try to install a package with pip on Python 3.11 and see the error error: external...

Update Git SSL Certificates to Fix 'unable to get local issuer' If you see fatal: unable to access 'https://...': SSL certificate problem: unable t...

Git index.lock File Exists Even After Deleting: Fixes You delete the .git/index.lock file, but Git still says it exists. This can happen d...

VSCode Breakpoint Not Hit Due to Source Maps: Fix You set a breakpoint in your TypeScript or React source file, start debugging, and the breakpoint...

Issue queue Sitemap Reinstall Chrome to Fix Status Access Violation Fix Cloudflare SSL Full Strict Permission Denied Error How to Fix Python Memory Error When Processing Large Files Fix Bluetooth Pairing in Windows 11 Error 0x80070002 Windows Update: Causes and Fixes Docker Compose Port Already Allocated Fix Recover from Git Detached HEAD State Clean Boot Guide for Windows 11 Update Stuck npm run build Fails After Git Pull: Fixes Fix Nginx Upstream Connection Refused in Docker How to Configure Wildcard DNS in Cloudflare Permission Denied in VS Code When Removing Files Desk note Troubleshooting paths Home Windows FixesmacOS HelpBrowser IssuesOffice ToolsDeveloper ToolsCloud SoftwareSecurity ToolsBackup RecoveryNetwork ToolsDatabase ToolsAI ToolsProductivity AppsCLI ErrorsDocker KubernetesEmail ClientsFile Utilities