You have something running in the background that is causing a conflict.
Number one suspect is Music match, if this has ever been installed on your system then it is the problem, Other than that Some virus checkers and some Internet chat programs like the latest version of Trillian are second on the list.
Number one suspect is Music match, if this has ever been installed on your system then it is the problem, Other than that Some virus checkers and some Internet chat programs like the latest version of Trillian are second on the list.