Software troubleshooting desk

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

Symptom

Cause

Fix route

Verify

Fresh repair notes

All notes

Fix Windows Update Service Not Running After SFC Scan

If you ran an SFC scan to fix system file corruption and now the Windows Update service won't...

Fix VS Code 'Cannot Save File: Permission Denied' on Mac

You're editing a file in VS Code on your Mac, hit save, and get: 'Failed to save:...

Firefox Secure Connection Failed: Date and Time Fix
If you see a 'Secure Connection Failed' error in Firefox that mentions date or time, it u...

Node.js Heap Out of Memory in Production: Practical Fixes
You're running a Node.js application in production when it crashes with FATAL ERROR: In...

How to Reinstall Windows Security App (Microsoft Defender) If the Windows Security app (Microsoft Defender) is missing, crashing, or not opening, reinstalli...

Fix Git SSL Certificate Problem with Proxy: Unable to Get Local Issuer When you see fatal: unable to access 'https://...': SSL certificate problem: unable...

Issue queue Sitemap Fix Docker Desktop Engine Stopped After Sleep Mode Fix Python UnicodeDecodeError in Requests Library Fix Python Virtual Environment Not Activating on Mac How to Resolve Git Remote Origin Already Exists VS Code Source Control Not Detecting Changes Windows 11 Fix How to Restart Docker Engine Safely (Keep Containers) Windows Update 0x80070005: Cannot Install Updates Fix Windows 11 Blue Screen After Driver Update Fix How to Resolve Error 521 Web Server Down npm ENOENT package.json Error in Subfolder Fix How to Fix Node Version Mismatch in a Project Understanding Git's Detached HEAD State Desk note Troubleshooting paths Home Windows FixesmacOS HelpBrowser IssuesOffice ToolsDeveloper ToolsCloud SoftwareSecurity ToolsBackup RecoveryNetwork ToolsDatabase ToolsAI ToolsProductivity AppsCLI ErrorsDocker KubernetesEmail ClientsFile Utilities