Topic: Fireface 800 !!! Help !!!

Hello ... I recently bought a Fireface 800.

My Computer:
Motherboard Asus Commando, Proc. Intel QX9650, 2) GB Ram 800 Mhz, Nvidia 8800GT Videocard,
4) Samsung HD 1 TB 7200 Rpm, No Network Adapter, 3) UAD-1 PCI, Win XP PRO SP2, Cubase 5.

Driver FF800 2.9992 - 2.77 Firmware.
Drivers 3.034 crashing cubase 5 to 96 kHz, while the 2.9992 work well with this driver is all very stable and work very well at each sampling frequency.

However, occurs' when I do some updating for example, plugins, or after I made the backup of C: using Norton Ghost in DOS, after you restart the computer the card is not playing, and compensate for the inconvenience I have to power cycle the interface, and then everything returns to normal.

Another question that is not written in the manual, you must first turn on the computer, and then after the boot switch on the interface?

Sorry for my bad English Thanks

capor