Assertion Failed in "ohci.c"

Digi USB Anywhere is connected to windows 2003 server standart edion sp1.
To Digi is connected usb voice recording device. From 20 to 80 minutes i get an error in event log of usbanywere. This happend with any version of driver. Awusbview don’t display aw controller. See attached files.
Can Your solve this ?

Andre,

Please contact me at mikes@digi.com at your earliest convenience and include your original forum submission information.

Thanks!

Mike