LVBtw not found on PDA Dell Axim X51

Aloha!
I am developing software to communicate with a portable instrument. The software runs on a PDA, and I am using LabView for PDA (8.01). I currently have 3 diffferent PDAs for testing purposes:
- Dell Axim X30 with windows mobile 2003 2nd edition
- Dell Axim X51 with windows mobile 5.0
- HP iPAQ hx2490b with windows mobile 5.0
My program communicates with the instrument over a bluetooth connection. I now have the following behavior on the 3 different PDAs:
- HP iPAQ: everything works
- Dell Axim X30: program starts, communicates with the instrument, crashes (earlier versions of the program still run though, I must have done something that this specific PDA doesn't like)
- Dell Axim X51: when I want to start the program, a dialog pops up telling my that this program is not digitally signed and do I really want to continue? If I tell windows to continue, I get the error message "LVBtw.dll not found", and the program crashes.
Can anybody give me a hint as to what is going wrong on the Axim X51? I have both my .exe and the LVBtw.dll stored on the SD card of the PDAs, in the same directory. On the X51 I also tried installing it in the program files directory, to no avail.
cheers
Martin
Message Edited by Martin Fierz on 02-23-2007 05:44 AM

Hi Martin:
I am recently working on a LABVIEW project on PDA via Bluetooth communication. I used Dell last week and it doesn't work. I thx for your message post to change the PDA to iPAQ. However, I still cannot detect signals from a bluetooth device, that is a Bluetooth pulse oximetry. I want to know some details of your project, which bluetooth device u used in your project? Can it really detect signal in iPAQ?
Thx.

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