I have an external monitor I use along with my macbook. After updating to Yosemite 10.10.2, the export menu and the replace image menus expand off the top of my screen - only when I'm using the monitor. It doesn't happen when I drag the window back to the laptop monitor and do the same thing.
This is killing me. Please help!
This is a known problem.
This should be fixed by updating to the current version of Yosemite—10.10.3.