Fail to continue with boot camp assistant

Hi,

When I opened Boot Camp Assistant and click the first continue button, the program had no response and something came out in the system log as blow:

2013-01-05 22:52:59.912 Boot Camp Assistant[31642:707] *** -[__NSArrayM objectAtIndex:]: index 0 beyond bounds for empty array

2013-01-05 22:52:59.914 Boot Camp Assistant[31642:707] (

0 CoreFoundation 0x00007fff8b1b90a6 __exceptionPreprocess + 198

1 libobjc.A.dylib 0x00007fff8a3dc3f0 objc_exception_throw + 43

2 CoreFoundation 0x00007fff8b155ebc -[__NSArrayM objectAtIndex:] + 252

3 Boot Camp Assistant 0x000000010e75b71e Boot Camp Assistant + 18206

4 Boot Camp Assistant 0x000000010e759a49 Boot Camp Assistant + 10825

5 AppKit 0x00007fff87010a59 -[NSApplication sendAction:to:from:] + 342

6 AppKit 0x00007fff870108b7 -[NSControl sendAction:to:] + 85

7 AppKit 0x00007fff870107eb -[NSCell _sendActionFrom:] + 138

8 AppKit 0x00007fff8700ecd3 -[NSCell trackMouse:inRect:ofView:untilMouseUp:] + 1855

9 AppKit 0x00007fff8700e521 -[NSButtonCell trackMouse:inRect:ofView:untilMouseUp:] + 504

10 AppKit 0x00007fff8700dc9c -[NSControl mouseDown:] + 820

11 AppKit 0x00007fff8700560e -[NSWindow sendEvent:] + 6853

12 AppKit 0x00007fff87001744 -[NSApplication sendEvent:] + 5761

13 AppKit 0x00007fff86f172fa -[NSApplication run] + 636

14 AppKit 0x00007fff86ebbcb6 NSApplicationMain + 869

15 libdyld.dylib 0x00007fff8d0837e1 start + 0

16 ??? 0x0000000000000001 0x0 + 1

)

Any helps? Thx~