M-Audio Keystation 49e suddenly quiet.

[Vihru]

I have Windows XP SP3 and integrated soundcard with newest asio drivers.
When i play with my usb midi keyboard, suddenly it crash and then doesnt hear anythin..
I have triedt that usb powermanagement.. but without good results..

please help me, and sorry my bad english.

[Smartzde]

I'm also having trouble with my Keystation 49e....