To tst: No, I can't reproduce the problem since I saw this happen with earlier versions of LabVIEW and this was several years ago.
To Jimmy168: Based on your latest post and your earlier post that had the Word document detailing the order of steps I would tend to agree with the comment from tst that either there's something wrong with the DLL or more likely the way you're trying to use it. You said "
I find that when i exit dongle driver before i close the program, the problem disppear" - what exactly does this mean? How are you exiting the dongle driver? Do you have some external program that you're using in parallel? Did you get the DLL from the manufacturer? If so your best bet may be to follow up with them to determine exactly how you're supposed to use this DLL.
-Saverio
