java.lang.RuntimeException: java.lang.NullPointerException
    at com.intellij.idea.IdeaApplication.run(IdeaApplication.java:178)
    at com.intellij.idea.MainImpl$1$1$1.run(MainImpl.java:52)
    at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:312)
    at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:738)
    at java.awt.EventQueue.access$300(EventQueue.java:103)
    at java.awt.EventQueue$3.run(EventQueue.java:699)
    at java.awt.EventQueue$3.run(EventQueue.java:697)
    at java.security.AccessController.doPrivileged(Native Method)
    at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:76)
    at java.awt.EventQueue.dispatchEvent(EventQueue.java:708)
    at com.intellij.ide.IdeEventQueue.dispatchEvent(IdeEventQueue.java:362)
    at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:242)
    at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:161)
    at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:150)
    at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:146)
    at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:138)
    at java.awt.EventDispatchThread.run(EventDispatchThread.java:91)
Caused by: java.lang.NullPointerException
    at com.android.tools.idea.welcome.AndroidVirtualDevice.<init>(AndroidVirtualDevice.java:81)
    at com.android.tools.idea.welcome.InstallComponentsPath.createComponentTree(InstallComponentsPath.java:89)
    at com.android.tools.idea.welcome.InstallComponentsPath.init(InstallComponentsPath.java:215)
    at com.android.tools.idea.wizard.DynamicWizardPath.attachToWizard(DynamicWizardPath.java:97)
    at com.android.tools.idea.wizard.DynamicWizard.addPath(DynamicWizard.java:233)
    at com.android.tools.idea.welcome.FirstRunWizard.init(FirstRunWizard.java:75)
    at com.android.tools.idea.welcome.FirstRunWizardHost.setupWizard(FirstRunWizardHost.java:100)
    at com.android.tools.idea.welcome.FirstRunWizardHost.getWelcomePanel(FirstRunWizardHost.java:92)
    at com.intellij.openapi.wm.impl.welcomeScreen.WelcomeFrame.<init>(WelcomeFrame.java:68)
    at com.intellij.openapi.wm.impl.welcomeScreen.WelcomeFrame.showNow(WelcomeFrame.java:173)
    at com.intellij.idea.IdeaApplication$IdeStarter.main(IdeaApplication.java:302)
    at com.intellij.idea.IdeaApplication.run(IdeaApplication.java:172)
    ... 16 more