Software troubleshooting desk

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

Symptom

Cause

Fix route

Verify

Fresh repair notes

All notes

Fix ERR_CERT_AUTHORITY_INVALID on Localhost

When testing a local web app, you may see ERR_CERT_AUTHORITY_INVALID in Chrome or si...

Fix VSCode Git Authentication Failed: Reset Credentials

If you see a "Git authentication failed" error in Visual Studio Code, it usually means yo...

Windows Security App Not Working After Update: Fixes

After a Windows update, the Windows Security app may fail to open, show a blank window, or displa...

Fix Windows Update Service Not Running with Malwarebytes

If Windows Update fails with error messages like "Service not running" or "Windows Up...

Fix 'port already allocated' Error in Docker Compose

You run docker compose up and see port is already allocated. This means...

Fix Docker Compose Port Already Allocated Error

When running docker-compose up, you may see an error like Error starting userl...


    Issue queue
Sitemap
Windows Update 0x80070005 Permissions Fix
Fix VS Code Source Control Not Detecting Changes on Mac
Fix Missing Environment Variables in Docker Compose
How to Recover Pruned Docker Networks
Cloudflare 522 Error: Causes and Solutions
Fix Docker Container Exiting on macOS
VS Code Python Suggestions Not Showing: Troubleshooting Guide
Fixing Git's Non Fast-Forward Error When Pushing
VS Code Git Not Detecting Changes in Workspace: Fixes
DNS Probe Finished NXDOMAIN: Fix When ipconfig /flushdns Fails
How to Stop Chrome Black Screen When Playing Videos
Cloudflare 521 Error: Firewall Settings Fix
Desk note

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