my chrome browser window has be black still ,when i power on the shared vm by wsx-server .

i updated  windows 8 with .net framework 3.5sp1 ,some patch and start services and clear the browser cache,but  up to now i don't have seen shared vm in workstation 10 in my chrome browser ,surprisely i can start shared vm in chrome browser, browser windows still is black. when i power on shared vm in chrome browser , i must close the shared vm by open workstation 10 time , the conclusion is chrome browser can power on and off  the  shared vm ,but chrome browser windows is black forever . why ? help me !