瑞星在系统闲余时间杀毒时,报错了,求助!

瑞星在系统闲余时间杀毒时,报错了,求助!
Buffer overrun detected!
Program c:/program files\rising\rav\scanfrm.exe

A buffer overrun has been detected which has corrupted the program's
internal state. The program cannot safely continue execution and must
now be terminated.

用户系统信息:Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; Trident/4.0; .NET CLR 2.0.50727; MSN OptimizedIE8;ZHCN)