connect Tektronix DPO 2024, Error-1074000000 occurred

Hi:

I connect a Tektronix DPO 2024 With PC via USB,

use sample code:"Tektronix DPO MSO 2000 4000 Series Acquire Digital Voltmeter Example.vi",

But "Error -1074000000 occurred at Tektronix DPO MSO 2000 4000 Series.lvlib:Error Query.vi" occured.

somebody know how fix it.

thanks.