The are both 95B and one has usb the other has not.
At the point that the login script runs from a cold start the following error occurs :

Fatal Exception 0E occurred at 0028: C02756A7 in VXD VWIN32(04) +00002883 application will terminate.

This is then followed by:

Illegal operation KERNEL32 0137:BFF870D6

It seems to be ok if you have already been logged in on that machine not using kixtart