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USB mouse and keyboard connection effects on NI DAQmx .Net application.

Hi All,

 

I wrote an application using DAQmx 15.01 and the MeasurementStudio.TDMS library from Measurement Studio 2015. 

 

Whenever my application is busy acquiring the data from ADC, if I just remove a mouse or keyboard, suddenly it has some effect on NI driver which then causes an exception (-200279) in my application.

 

Here's my developement environment:

 

Advantech AIIS-1240 Industrial Mini PC

Windows 7 64 bit

Visual Studio 2010

.Net 4

NI DAQmx 15.01

Measurement Studio 2015 Enterprise

 

Please help me out. Its a serious problem because I can't connect / disconnect other devices on the USB port.

 

Thanks.

 

Regards,

 

Shan

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