having problems downloading software to win.7

i have a tascam us-1641 and cubase LE 4 software(audio recording software), that i've tried to download to my win.7 and it leads me to the software is not compatible, try older version (ex. XP,vista)
it will not fix, ive looked for drivers, does any one have any ideas for me or do i just wait until they come out with something...

I also have a new camcorder that i tried to download the software and it, completly shut it down and took my computer back to an older save point.(rebooted)

sorry, I think i got it, i right clicked on the desktop icon, went to properties and changed the compatiblity to an older version of xp and so far it seems to be working fine,,,

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