我这边同学的机子从没出现过这个问题，在外站上找的一个解决方案：原贴部分内容：i started up the pc in safe mode and uninstalled a security software called bigpond security and it fixed the problem. obviously it uses online armour (and sunbelt antimalware ?) as part of it's security software package. bigpond is an internet service provider in australia where they al
