Access denied when I want create to File in Powershell

Hi,

Please, your help me!

I have problem to access denied, when i want create to file.

I have the account in the group administrator.

I valued the permission in the tab security and i have administrator permission.

PS U:\> $cre | Export-Clixml -Path C:\
Export-Clixml : Acceso denegado a la ruta de acceso 'C:\'.
En línea: 1 Carácter: 8
+ $cre | Export-Clixml -Path C:\
+ ~~~~~~~~~~~~~~~~~~~~~~~
+ CategoryInfo : OpenError: (:) [Export-Clixml], UnauthorizedAccessException
+ FullyQualifiedErrorId : FileOpenFailure,Microsoft.PowerShell.Commands.ExportClixmlCommand

Regards.

#PowerShell