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 Missing Taskbar Icons After Uninstalling a Program
You uninstall a program, and suddenly some taskbar icons disappear—even for apps you didn't r...

Fix VSCode IntelliSense Not Working for PowerShell
If you're editing PowerShell scripts in VS Code and IntelliSense stops showing suggestions (n...

Windows Defender Real-Time Protection Greyed Out: How to Fix
If you open Windows Security and see the real-time protection toggle greyed out, you can't tu...

How to Resolve Port Already in Use in Docker Compose
When you run docker compose up and get an error like port is already allocated...

How to Fix Nginx Permission Denied Error When Nginx returns a 403 Forbidden or logs a "permission denied" error, it usually means ...

Issue queue Sitemap Stop Antivirus from Causing DNS Probe Finished NXDOMAIN Resolve Python Permission Denied on Mac Resolve Git Clone Timeout Behind Proxy Troubleshoot VS Code settings.json Save Error How to Fix Remote Desktop Connection Timed Out Error How to Fix Antivirus Blocking Internet on Windows 11 How to Fix Windows Update Error 0x80070005 How to Disable Chrome Extensions to Free Up Memory Fix Windows Defender Real-Time Protection After Clean Boot Fix Docker Compose Environment Variable Not Set on Build Git Clone Connection Timed Out Proxy Fix How to Fix a Detached HEAD in Git Using SourceTree Desk note Troubleshooting paths Home Windows FixesmacOS HelpBrowser IssuesOffice ToolsDeveloper ToolsCloud SoftwareSecurity ToolsBackup RecoveryNetwork ToolsDatabase ToolsAI ToolsProductivity AppsCLI ErrorsDocker KubernetesEmail ClientsFile Utilities