blocked

Hello, today I installed Parallels, at the first start it remains blocked for hours. What solutions? SCREENSHOT https://files.fm/u/5xdzhfx3mq

Hello Folks. Could somebody please point me in the right direction for how I actually get past the 'Allow' phase in System Preferences on my Mac? This morning, after quite some time of not using this program for various reasons, I attempted to install version 12 of P. Desktop, which, on failing...