I have the same problem after update to wordpress 3.9. It can’t be a plugin issue because before with old wordpress version I had the same plugin and never had this problem. Now, only updating wordpress and with same plugin as before installed, sometimes it is impossible to work because wordpress become constantly unreachable. The strange thing is that when it stop work with chrome, if I open mozilla, for 5 minutes it works (on mozilla), when from mozilla stop work, I jump back to chrome and for other 5 minutes on chrome it works, so for keep work I am forced to jump from mozilla to chrome every 5 minutes. It is a shame… please fix the problem!
