没有注册表的缘故.看下面的方法.
Windows Registry Editor Version 5.00
[HKEY_LOCAL_MACHINE\SOFTWARE\Activision]
@=""
[HKEY_LOCAL_MACHINE\SOFTWARE\Activision\Call of Duty 2]
"InstallPath"="D:\\Activision\\Call of Duty 2\\"
"InstallDrive"="H:\\"
"Language"="ENG"
"StartMenuFolder"="C:\\Documents and Settings\\KLU3K\\「开始」菜单\\Activision\\Call of Duty? 2"
"Version"="1.0"
"UninstallString"="C:\\PROGRA~1\\COMMON~1\\INSTAL~1\\Driver\\9\\INTEL3~1\\IDriver.exe /M{D0A05794-48C2-4424-A15A-9F20FCFDD374} /l2057 "
"EXEString"="D:\\Activision\\Call of Duty 2\\cod2sp_s.exe"
"MultiEXEString"="D:\\Activision\\Call of Duty 2\\cod2mp_s.exe"
"QA"="14.0"
"codkey"="XEZLGZWXXQZGGEGUEEFC"
把上面的文件复制到写字板里,然后保存为reg文件,比如1.reg,然后点击就行了,注意将粗体部分的游戏路径改为你的游戏相应的安装目录,version版本号由你原来游戏的版本为准