为什么我的电脑每次重新起动都得运行一下alcupd.exe才会有声音啊?

这是我查到的信息：
进程文件: alcupd.exe or alcupd
进程名称: Tool for Driver Update
描述:
alcupd.exe is a process associated with Update Application for Realtek AC'97 from Realtek Semiconductor Corp..
Recommendation for alcupd.exe:
alcupd.exe should not be disabled, required for essential applications to work properly.
Author: Realtek Semiconductor Corp.
Part Of: Update Application for Realtek AC'97
进程分析: 病毒程序。
仅供参考啊。