Fix 'powershell not recognized as internal or external command'
When you type powershell in Command Prompt or a script and see the error "'power...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listFix Windows Search: Connection Refused, Service Not Running
If you see 'connection refused' or 'service not running' when using Windows Search, the search se...
Fix Microsoft Teams Token Expired by Clearing Cache
If you see a 'token expired' or 'sign-in error' message in Microsoft Teams, it often means the st...
Fix Windows Activation Key Not Recognized Error
You enter your Windows product key during installation or activation, and get an error that the k...
Fix Windows Defender SSL Certificate Error Not Working
You might see an error like 'Windows Defender cannot check for definitions because of an SSL cert...
Fix Certbot Nginx Plugin SSL Certificate Renewal Failures
When the Certbot Nginx plugin fails to renew SSL certificates, you might see errors like ur...
Topic paths
Quick titles
Resolve Port Already Allocated in Windows StoreTroubleshoot Error 0x8024402c in Windows Update SetupWindows Defender Proxy Error Troubleshooting GuideInstall OneDrive Without Internet ConnectionHow to Fix Windows Update Cleanup Error 0x80070002How to Fix Outlook Setup Permission Denied ErrorHow to Fix Remote Desktop Connection Not Working in Windows 11How to Fix Dependency Conflicts in Command Prompt Setup