WinDbg 2

Windbg 提示：

*** ERROR: Symbol file could not be found.  Defaulted to export symbols for ntdll.dll -
ntdll!DbgBreakPoint:
7c90120e cc              int     3

可能需要到这里下载 XP 的 symbol file:

http://www.microsoft.com/whdc/DevTools/Debugging/default.mspx

参考：

Resolving Symbol Problems in WinDBG

http://www.osronline.com/article.cfm?article=221