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
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listHow to Fix Windows Update Connection Refused by Antivirus
You click Check for updates in Windows, and instead of progress, you see an error like "Connectio...
Fix Windows Update Authentication Failed via Credential Manager
When Windows Update fails with an authentication error, the problem often traces back to stored c...
Certbot Renew Certificate Troubleshooting: Common Fixes
When your SSL certificate is about to expire, you run certbot renew and get an error...
Fix Outlook File Locked by Outlook.exe Not Responding
If you see an error that your Outlook data file (.pst or .ost) is locked because Outlook.exe is n...
Fix Windows Search Authentication Failed in Windows 11
If you see an 'authentication failed' error when using Windows Search in Windows 11, the search i...
Topic paths
Quick titles
Microsoft Store Dependency Conflict TroubleshootingYarn Network Timeout Error on Windows – SolutionsFix Windows Search High CPU Usage Due to Permission Denied ErrorsHow to Resolve Windows Activation Dependency ConflictHow to Fix Windows Update Service Not RunningWindows Backup Error 0x80070001 After Update: FixesFix Windows Defender Connection Refused Error 0x80070005Fixing Command Prompt Sync Issues Between Computers