id summary reporter owner description type status component version resolution keywords cc guest host 6256 Copy/Paste in Mac Address field on Networking tab causes a crash MuffinFlavored "Steps to reproduce: Open VirtualBox Click on a virtual machine, then click Settings Click on Networking Click on the arrow which expands the ""Advanced"" panel Select all text in the Mac Address field Right click, Copy Right click, Paste. VirtualBox GUI stops responding and must be killed." defect closed GUI VirtualBox 3.1.4 duplicate other Windows