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 Proxy Error Permission Denied

You're trying to run Windows Update, but it fails with a 'permission denied' error related to a p...

Fix Windows Defender Service Not Starting (Error 0x80070422)

You try to start Windows Defender but get error 0x80070422: “The service cannot be started, eithe...

How to Fix Postman Self-Signed Certificate Error

When using Postman to test APIs that use self-signed certificates, you may encounter an error lik...

Fix NVM Not Found in Git Bash on Windows

You installed NVM for Windows but when you open Git Bash and type nvm, you see

Fix Windows Security Not Starting After Update

After a Windows update, you might find that Windows Security won't open, or it shows a blank wind...

Fix Microsoft Store 404 Not Found Error on Reinstall

When you try to reinstall an app from the Microsoft Store and get a 404 Not Found

Issue queue
Sitemap
How to Clear Microsoft Store Cache for 502 Bad Gateway
Windows Update Error 0x800f0922: Step-by-Step Fixes
How to Resolve 404 Error in Windows 11 Store
How to Escape a Login Loop in Windows
Microsoft Store Connection Refused Due to Firewall
Windows Terminal Change Default Profile Guide
Breaking the Outlook Login Loop: Step-by-Step Guide
Fix Windows Store Error 0x80073cf9
Invalid Configuration in Task Scheduler: Step-by-Step Fix
Troubleshoot Outlook Hyperlink 404 Error
Fix Common Microsoft Store Errors on Mac
BitLocker Port Conflict: Quick Fix Guide
Desk note

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