英文描述：

cdac11ba.exe is a part of MacroVision safeCast copy protection software. This piece of software allows manufacturers to protect their products from illegal duplication. Disabling, or deleting this process may corrupt the product it was supplied with.

中文参考：

cdac11ba.exe是MacroVision safeCast反复制保护软件。该进程是一些软件为了保护其产品不被盗版而安装的。