Hello Matute, Thank you for contacting National Instruments.
Try looking at the discussion thread linked below. It concerns a problem similar to yours. http://exchange.ni.com/servlet/ProcessRequest?RHIVEID=101&RNAME=ViewQuestion&HOID=506500000008000000BEA70000&ECategory=LabVIEW.LabVIEW+General Let me know if this does not help. Sean C. Applications Engineer National Instruments