update.exe进程

update.exe是涉及到多个不同的广告软件的进程。基于对你的隐私保护考虑，建议删除该进程。
update.exe也有可能是下面的解释：
update.exe is a process belonging to the Spyware Doctor Internet Security Product which protects your computer against Internet-bound threats such as spyware and trojans which can be distributed through e-mail or attack directly to the computer allowing unauthorized access to your computer. This program is important for the stable and secure running of your computer and should not be terminated.
一些软件或游戏的自动更新程序。也要注意可能是病毒或木马程序。