When you opened Android Studio, there was a warning screen describing:
Internal error. Please report to link
java.lang.RuntimeException: Duplicate registration for EP: Designer.customizations at com.intellij.openapi.extensions.impl.ExtensionsAreaImpl.registerExtensionPoint(ExtensionsAreaImpl.java:323) at com.intellij.openapi.extensions.impl.ExtensionsAreaImpl.registerExtensionPoint(ExtensionsAreaImpl.java:135) at com.intellij.ide.plugins.IdeaPluginDescriptorImpl.registerExtensionPoints(IdeaPluginDescriptorImpl.java:281) at com.intellij.ide.plugins.PluginManagerCore.registerExtensionPointsAndExtensions(PluginManagerCore.java:1161) at com.intellij.ide.plugins.PluginManagerCore.initializePlugins(PluginManagerCore.java:1143) at com.intellij.ide.plugins.PluginManagerCore.initPlugins(PluginManagerCore.java:1179) at com.intellij.openapi.application.impl.ApplicationImpl.loadApplicationComponents(ApplicationImpl.java:360) at com.intellij.openapi.application.impl.ApplicationImpl.(ApplicationImpl.java:238) at com.intellij.openapi.application.ex.ApplicationManagerEx.createApplication(ApplicationManagerEx.java:45) at com.intellij.idea.IdeaApplication.(IdeaApplication.java:101) at com.intellij.idea.MainImpl$1$1.run(MainImpl.java:41) at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:312) at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:733) at java.awt.EventQueue.access$200(EventQueue.java:103) at java.awt.EventQueue$3.run(EventQueue.java:694) at java.awt.EventQueue$3.run(EventQueue.java:692) at java.security.AccessController.doPrivileged(Native Method) at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:76) at java.awt.EventQueue.dispatchEvent(EventQueue.java:703) at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:242) at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:161) at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:150) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:146) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:138) at java.awt.EventDispatchThread.run(EventDispatchThread.java:91)