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Unexplained intermittent program flow

Hi all,

 

About a year ago i wrote a GUI, which worked fine. I can't remember what OS or machine it was running on, but it was written and executed in labview 7.1

 

Now I am running it on another laptop, with labview 7.1, but am having a problem. The program used to run continuously, buffers would be read/written to as soon as possible etc. Now, intermittently the program will stop for a while and just hang, then it will start again in spurts. I discovered that this can be remedied by holding down the scroll bars (not part of the GUI, part of the labview window), when this is done, the program runs continously.

 

Does anyone have any ideas what this strange problem could be caused by??

 

Cheers,

 

Pete

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