Ok, something in Skype is causing the PSU and PCI case fans in my 2012 Mac Pro 5,1 to speed up to around 1900rpm when Skype starts! lol I'm running win81pro in efi mode, Skype is showing no abnormal cpu, network, or ram use. I'm guessing its a skype bug, or maybe a windows update reacting with skype. Its really wierd. Fan speed verified with Macs Fan Control 1.2.1, and I can manually slow them down, its just auto where they act up. If I quit skype, the fans go back to normal, and starting it again speeds them back up. I'm using skype 220.127.116.11. Anybody else getting this?