Unfortunately this has always been a problem with most of the people using Dial up connection.
Anyway's may I know what is the Operating System you are Using.
Also please mention the DAT Version of the Virus Scan ( Open Security Center -> On the bottom right corner you'll find ABOUT button , Click on it ->
Under Virus Scan You'll Find DAT ver
Please Mention the DAT ver .
I have Windows Vista and the version of the virus scan is 13.15. I've been using this laptop since around Sept 2008 with a dial up connection the whole time and this problem didn't start happening until just a couple of months ago. I appreciate all your help. Thanks.