Fix 'PowerShell Not Recognized as Internal or External Command'
When you type powershell in Command Prompt or a script and see 'powershell' is...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listWindows Store Download Stuck? Try These Fixes
You click download in the Microsoft Store, but the progress bar barely moves or stays at 0%. This...
How to Fix Outlook Service Unavailable in Safe Mode
When Outlook shows 'service unavailable' even after you start it in safe mode, the problem is oft...
Chrome Extensions Not Loading: Configuration Steps
You click the extensions icon, but the list is empty, or extensions appear greyed out. This usual...
Fix Windows Defender Error 0x80070422: Won't Turn On
If you see error code 0x80070422 when trying to turn on Windows Defender, it usually means the re...
Fix 'chrome command not found' on Linux
When you type chrome in a Linux terminal and get "command not found", it usually mea...
Topic paths
Quick titles
PowerShell Command to Identify File Lock OwnerTroubleshooting Windows Defender on MacFix Windows 10 Activation Proxy Error: Step-by-Step GuideCommand Not Recognized Internal External Error FixFix PowerShell High CPU Usage with Error 0x80070005Access Denied in Windows Terminal: How to Run as AdminResolve Windows Activation Timeout ErrorResolve Microsoft Store Token Expired Issue