Software troubleshooting desk

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

Symptom

Cause

Fix route

Verify

Fresh repair notes

All notes

Fix NET::ERR_CERT_AUTHORITY_INVALID in Chrome Safe Mode

When you see NET::ERR_CERT_AUTHORITY_INVALID in Chrome while running in Safe Mod...

Fix Windows Security App Missing from Start Menu

You open the Start menu, type “Windows Security,” but nothing appears. The app may have been unre...

How to Fix Git index.lock File Exists Error on Mac

If you're working with Git on a Mac and see the error fatal: Unable to create '/pat...

Fix Chrome Crash on Startup Due to Hardware Acceleration
If Chrome crashes immediately when you open it, or freezes and becomes unresponsive, hardware acc...

Fix ERR_NAME_NOT_RESOLVED in Chrome Safe Mode
If you see ERR_NAME_NOT_RESOLVED in Chrome while browsing in safe mode (Incognit...

Windows 11 Installation Assistant Stuck at 99%: Fixes That Work
You’re upgrading to Windows 11 via the Installation Assistant, and it gets stuck at 99%. The prog...


    Issue queue
Sitemap
Fix Bluetooth Problems in Windows 11
Python UnicodeDecodeError Fix: Encoding Tips
Verify Cloudflare DNS Propagation Is Complete
Python Dependency Conflict Checklist: Diagnose & Fix
Fix Chrome Certificate Error Invalid Authority on Mac
Docker Desktop Engine Stopped on Mac M1: Fixes That Work
How to Resolve ERR_CONNECTION_RESET in Chrome
Chrome Access Violation on Print Fix
VS Code terminal blank or not starting Windows 10
VS Code Python Venv Activation Guide
Troubleshooting Docker Build Context Canceled Error
Nginx Static File Permission Error Troubleshooting
Desk note

    Troubleshooting paths
Home
Windows FixesmacOS HelpBrowser IssuesOffice ToolsDeveloper ToolsCloud SoftwareSecurity ToolsBackup RecoveryNetwork ToolsDatabase ToolsAI ToolsProductivity AppsCLI ErrorsDocker KubernetesEmail ClientsFile Utilities