Eckhart, sorry to see your have trouble.
This beta is working very good for my system. Thanks for the map also.
flyer01
Intel core Duo E8600 @ 3.33GHz
Ram 4GB
550 watt power supply
Video card GTX 470 1280 MB GDDR5
MOBO- Gigabyte GA-EP45_UD3P
Duel partition
Windows XP Pro 32bit.
Windows 7 64 bit.
CoD in W-7 64 bit