Apple Internet Data Detectors globally uses the Control Key together with clicking on a Web address which will automatically launch your Web Browser. This is available today as a download and will eventually become part of the Mac OS update.When this is a part of your Mac System, it can cause confusion when trying to delete a memory location in Pro Tools, as the Control Key is needed to perform this operation. The customer that reported the symptom reported that it was fixed by removing Apple Internet Data Detectors from his System.