title: Android studio error: An error occurred while trying to compute required packages
body: <p>I'm trying to install the latest Android Studio on a MacBook pro 2015</p>
  
  <p>Unfortunately I get this error:</p>
  
  <blockquote>
    <p>An error occurred while trying to compute required packages.</p>
  </blockquote>
  
  <p>Here a screenshot of the error:</p>
  
  <p><a href="https://i.stack.imgur.com/4zG3C.png" rel="noreferrer"><img src="https://i.stack.imgur.com/4zG3C.png" alt="enter image description here"></a></p>
  
  <p>which is not very informative. What's causing the problem?</p>
  
  <p><strong>EDIT</strong></p>
  
  <p>This is the exception I get when I run the application from the terminal:</p>
  
  <pre><code>[  33666]   WARN - e.wizard.InstallComponentsPath - Dependant package with key emulator not found! 
  com.android.tools.idea.sdk.wizard.SdkQuickfixUtils$PackageResolutionException: Dependant package with key emulator not found!
      at com.android.tools.idea.sdk.wizard.SdkQuickfixUtils.resolve(SdkQuickfixUtils.java:261)
      at com.android.tools.idea.welcome.install.ComponentInstaller.getPackagesToInstall(ComponentInstaller.java:51)
      at com.android.tools.idea.welcome.wizard.InstallComponentsPath.lambda$init$0(InstallComponentsPath.java:195)
      at com.android.tools.idea.welcome.wizard.InstallSummaryStep.generateSummary(InstallSummaryStep.java:115)
      at com.android.tools.idea.welcome.wizard.InstallSummaryStep.onEnterStep(InstallSummaryStep.java:106)
      at com.android.tools.idea.wizard.dynamic.DynamicWizardPath.next(DynamicWizardPath.java:311)
      at com.android.tools.idea.wizard.dynamic.DynamicWizardPath.next(DynamicWizardPath.java:58)
      at com.android.tools.idea.wizard.dynamic.DynamicWizard.showNextStep(DynamicWizard.java:346)
      at com.android.tools.idea.wizard.dynamic.DynamicWizard.doNextAction(DynamicWizard.java:336)
      at com.android.tools.idea.welcome.wizard.FirstRunWizardHost$NextAction.actionPerformed(FirstRunWizardHost.java:385)
      at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:2022)
      at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2348)
      at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:402)
      at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:259)
      at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:252)
      at java.awt.Component.processMouseEvent(Component.java:6533)
      at javax.swing.JComponent.processMouseEvent(JComponent.java:3324)
      at java.awt.Component.processEvent(Component.java:6298)
      at java.awt.Container.processEvent(Container.java:2236)
      at java.awt.Component.dispatchEventImpl(Component.java:4889)
      at java.awt.Container.dispatchEventImpl(Container.java:2294)
      at java.awt.Component.dispatchEvent(Component.java:4711)
      at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4888)
      at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4525)
      at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4466)
      at java.awt.Container.dispatchEventImpl(Container.java:2280)
      at java.awt.Window.dispatchEventImpl(Window.java:2746)
      at java.awt.Component.dispatchEvent(Component.java:4711)
      at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:758)
      at java.awt.EventQueue.access$500(EventQueue.java:97)
      at java.awt.EventQueue$3.run(EventQueue.java:709)
      at java.awt.EventQueue$3.run(EventQueue.java:703)
      at java.security.AccessController.doPrivileged(Native Method)
      at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:80)
      at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:90)
      at java.awt.EventQueue$4.run(EventQueue.java:731)
      at java.awt.EventQueue$4.run(EventQueue.java:729)
      at java.security.AccessController.doPrivileged(Native Method)
      at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:80)
      at java.awt.EventQueue.dispatchEvent(EventQueue.java:728)
      at com.intellij.ide.IdeEventQueue.defaultDispatchEvent(IdeEventQueue.java:795)
      at com.intellij.ide.IdeEventQueue._dispatchEvent(IdeEventQueue.java:627)
      at com.intellij.ide.IdeEventQueue.dispatchEvent(IdeEventQueue.java:387)
      at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:201)
      at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116)
      at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:105)
      at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)
      at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93)
      at java.awt.EventDispatchThread.run(EventDispatchThread.java:82)
  </code></pre>
  
  <p><strong>EDIT</strong></p>
  
  <p>Google <a href="https://stackoverflow.com/a/42743644/958464">has fixed the bug</a>. Just download the new installer and everything should be fine</p>