Error: "This access control list is not in canonical form and therefore cannot be modified."
Run icacls.exe "C:\inetpub\wwwroot" /verify /T /C /L /Q.
If any entries are reported as being not in canonical order then run:
icacls.exe "C:\inetpub\wwwroot" /reset /T /C /L /Q
Verify fix by running: icacls.exe "C:\inetpub\wwwroot" /verify /T /C /L /Q
This access control list is not in canonical form and therefore cannot be modified.
At C:\Program Files\Citrix\Receiver StoreFront\Management\Cmdlets\UtilsModule.psm