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program works but image doesn't come up on front panel? i don't know what's wrong!

i am trying to obtain an image using an usb logitech web camera with the imaq vi's. i used the webcam VI's: initialize, grab, picture, and close VI's. the program works but no image is displayed on the front panel. at first the camera wouldnt turn on until i configured it using the visa driver wizard. so now the light on the camera turns on but still no image. also an error occurs and says: "an exception occured within the external code called by a call library function node. this might have corrupted labviews memory. save documents to new location and restart labview."
 
can anyone help.  thanks!!!
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Hello batman80,

Could you post some more information on your problem? Are you using the Image Display control to view your image on the front panel? What version of LabVIEW and IMAQ do you have? When does the error occur? Have you been able to acquire an image using any other software (one shipped by the camera manufacturer maybe) ? Have you installed or uninstalled any NI software recently?

This information would be useful to troubleshoot your problem further.

Vivek Nath
National Instruments
Applications Engineer
Machine Vision
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