#define NormalExit      0
#define BreakByUser     1
#define NotEnoughMem    2
#define BadPathName     4
#define NoFileToInstall 5
#define SourceNotExist  6
#define CreatFileError  7
#define OpenFileError   8
#define ReadFileError   9
#define WriteFileError  10
#define DiskIOError     11
#define ExecuteError    12
#define CreatDirError   13
#define DestNotHDisk    14
#define KeyDiskError    255