Can you please provide some more additional information on this like;
Do you receive any errors from on access scanner ?
Open security center and let me know whether it says Am I protected YES or Your computer is secure ?
What is the operating system you use ? win (xp/vista/7)
How old is the computer ?
nothing error report,it said"Your computer is secure"
my system is xp sp3
And the on-demmand scanner works
消息编辑者为：sololp on 10-2-19 上午08时54分39秒
can u give me more help,please?
Can you please tell me the exact problem with the on-access scanner?
Did you run mcafee virtual technician to check if reports any errors, if not please run it from here and post me with the session id