Checking the Update后报错的，其实不用装UbisoftGameLauncherInstaller.exe

只需将以下内容复制到文本文档 然后保存为REG文件,导入注册表项目即可：

Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\SOFTWARE\Ubisoft\Assassins Creed Revelations]
"InstallDir"=".\\"
"Language"="English"

[HKEY_LOCAL_MACHINE\SOFTWARE\Ubisoft\Assassins Creed Revelations\GameUpdate]
"ExecPath"=".\\ACRSP.exe"
"info"="37a28dced5284d04a1bf8c32a644fb54"
"installdir"=".\\"
"language"="us"

[HKEY_LOCAL_MACHINE\SOFTWARE\UBISOFT\Launcher]
"Version"="0421"
"InstallDir"=".\\orbit\\"