I open two or more connections (it doesn't seem to matter which types). I attempt to switch between them by clicking on the tab of the other. The tab I click on closes, as you might expect from a double click, but I'm not double clicking, only single. It seems like the tab is receiving two events when I'm only sending one. If I hold the mouse button down, it switches focus - it is only when I release the mouse button that it closes.
7 x64 as client, 7 x64 in Vmware and 2008R2 x64 in Vmware as server.