Hi all I installed OS X and Windows XP with rEFIt without boot camp. Nativ all work. Now if I try start Pararells this warning come: (german) Die Virtual Machine kann aus folgendem Grund nicht gestartet werden: Festplatte 1 wurde fuer die Verwendung von Boot Camp konfiguriert, aber Boot Camp ist auf diesem Computer gar nicht installiert! It means circa: Harddisk 1 is configurate for Boot Camp, but Boot Camp is not installed on this Computer. I read the side: http://kb.parallels.com/entry/27/472/0/ But it don't start [IDE devices] Disk 0:0 enabled = 1 Disk 0:0 = 1 Disk 0:0 media = 1 Disk 0:0 connected = 1 Disk 0:0 image = Boot Camp,disk0s2 Disk 0:0 cylinders = 0 Disk 0:0 heads = 16 Disk 0:0 sectors = 63 Disk 0:1 enabled = 1 Disk 0:1 = 2 Disk 0:1 media = 0 Disk 0:1 connected = 0 Disk 0:1 image = /Library/Parallels/Tools/kis.iso Disk 1:0 enabled = 0 Disk 1:0 = 0 Disk 1:1 enabled = 0 Disk 1:1 = 0 diskutil list: #: TYPE NAME SIZE IDENTIFIER 0: FDisk_partition_scheme *111.8 Gi disk0 1: Apple_HFS OS X 40.0 Gi disk0s1 2: Windows_FAT_32 XP 15.5 Gi disk0s2 3: Windows_FAT_32 EIGENES 56.0 Gi disk0s3 /dev/disk1 #: TYPE NAME SIZE IDENTIFIER 0: GUID_partition_scheme *111.8 Gi disk1 1: EFI 200.0 Mi disk1s1 2: Apple_HFS Backup 111.5 Gi disk1s2 My System is: Mac OS X 10.5.2 (9C31) Paralles Desktop 3.0 Build 5582 Can help me someone? Thanks!