Thank you for taking the time to report this issue to the Community, although I apologize that you have not yet received a response.
If you are still receiving the security alert in Quicken, please take a moment and review the information available here, and post back to let us know what version and release of Quicken you are using.
Please also let us know what action you are performing when this alert appears. When first opening Quicken? Running the One Step Update? Updating Quotes?
The more information you can provide regarding this issue will help the Community to better understand and assist.