VISA Error with Built application

[kjp]

I have developed a simple application on LabVIEW 6.0.2 and using application builder to make an exe. When trying to run the exe on a different machine, the dropdown arrow on the VISA-Resource control is disabled
and when the application is stopped, pressing the arrow causes the application to generate an invalid page fault at 0177:30164426 in the LVRT.dll


Using NI-Spy it can be seen that when the application starts, the call to viGetAttribute returns an error - VI_ERROR_NSUP_ATTR.


On the target machines we have NI-488.2 version 1.6 and NI-VISA 2.01, and on the development machine NI-488.2 version 1.6 and NI-VISA 2.5. Both machines are running Windows98.


I have tried installing the run-time version of NI-VISA 2.5, b
ut then the application crashes when it loads.


~Kevin"

[Labviewguru]

Kevin,

Have you tried running the application on the development computer?

[kjp]

Yes, it runs perfectly on the development computer, and after I stripped-out all the VISA VIs and replaced them with GPIB VIs it works as a built application on the target machine.

[Brian_Vibert]

I would try again to install the latest VISA on the target machine. You may need to uninstall the old VISA first.

[kjp]

With the latest VISA (2.5 runtime) . The application generates the invalid page fault at start-up.

[Brian_Vibert]

Did you try to uninstall the old VISA first?

[kjp]

Yes, I did uninstall the old version first.

Is there a specific order in which 488, VISA and the LabView runtime shold be installed?

[Brian_Vibert]

I don't think so. You are using the LV 6.02 RTE right? There was problems with 6.0 and displaying VISA resource controls.

[kjp]

Thank-you Brian, you have solved the problem. Installing LV 6.0.2 RTE has made the application work. I had assumed that installing the Application Builder into LV 6.0.2 development system would mean that the 6.0.2 RTE would get built into the installer, but this does not turn out to be true.

Thanks again,
Kevin

[Brian_Vibert]

Good, I'm glad we solved it!

Happy wiring