Fix Windows Search Returning 404 Not Found in Command Prompt
If you see a "404 Not Found" error when using Windows Search from the Command Prompt, it usually ...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listFixing Windows Defender Authentication Failed Permission Denied
You try to run a Windows Defender scan or update, but get an error like "Authentication f...
How to Fix Windows Defender Path Not Found Error
You open Windows Defender Security Center or try to run a scan, and you see an error: Pat...
Fix PowerShell Access Denied Even When Running as Admin
You launch PowerShell as administrator, but commands still fail with "Access Denied." This is a c...
PowerShell Command Not Found but Works in CMD
You open PowerShell, type a command you know works in Command Prompt, and get an error like
How to Fix High Memory Usage by Command Prompt (cmd.exe)
You open Task Manager and see that Command Prompt (cmd.exe) is using 500 MB or more of RAM. That'...
Topic paths
Quick titles
Outlook Service Unavailable: Practical Troubleshooting ChecklistHow to Resolve Chrome Remote Desktop Setup FailureFix Windows Terminal 'Path Not Found' Environment Variable ErrorHow to Resolve Outlook Update Download StuckWindows Security Log 4625 Failed Login TroubleshootingHow to Fix OneDrive Sync Network Error on WindowsHow to Set Up Outlook for Mac: Step-by-Step GuideFix Blank White Screen in Windows Defender Security Center