Fix 'npm command not found' and Permission Denied Errors - How to Fix PowerShell 404 Not Found Error-Troubleshoot Error 0x80072746 in Windows Terminal

Updated 2026-06-15 18:45:57security-tools
Fix 'npm command not found' and Permission Denied Errors - How to Fix PowerShell 404 Not Found Error-Troubleshoot Error 0x80072746 in Windows Terminal
Before changing system settings, save your work and note the exact error text so you can compare results after each step.

Extra verification checklist

  • Restart the affected app after changing permissions or configuration files.
  • Test the same workflow in a clean browser profile or a temporary user account.
  • Compare the result on another network if the error may be connection related.