Could be adware. Download and run Ad-aware and Spybot. These are freeware. Just do a Google search.
If you are asking for help to troubleshoot a computer-related problem, please be sure to include all the necessary information (ie: operating system, model number, hardware, software, etc) that will help others identify your problem for a speedy resolution.
i'm running xp pro and using aol to connect to the internet. however when i'm not on the internet there is a program which keeps connecting me. is there any way of finding out which program it is or any way of stopping it connecting or bring up aol. many thanks.

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