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labview 8.5 vi wont communicate with Max . no error

I replaced my hard drive , now my VI wont communicate with Max. Windows xp. My app was working now it wont work . If I run a task or test panel in Max I am able to communicate to my devices , should  i Re-instal Daqmx ? LABVIEW 8.5 

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What version of MAX are you using?

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not sure I will have to check . The app was working prior to me replacing the hard drive . I made a ghost image and installed a new hard drive . Max acted a bit goofy and changed all the device numbers , for example DIV1-4 became DIV5-8 . I changed them back to the original. All my  digital and analog read / writes work from using the test panels and from a task for each signal type all work perfect in max. My VI hasnt changed . Also it says my Labview licence has expired so I changed the date backward . We have a corporate licence and this computer is XP so its not on the LAN.

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