title: Xamarin installation failed in MAC OS X
body: <p>I am facing problem to instal Xamarin in my Mac machine. It's giving problem in monotouch framework installation.</p>
  
  <p>I have down loaded from <a href="http://xamarin.com" rel="nofollow">http://xamarin.com</a>  and 
  down loaded file name is : XamarinInstaller.dmg</p>
  
  <p>My Mac book specifications : lion 10.8.2</p>
  
  <p>Please help me out..</p>
  
  <p>I am getting below error.</p>
  
  <p>Mono Framework installation failed with more than one exception (Attempt #Mono Framework)
  Some installation errors are present.
  Exception type: System.AggregateException
  Message: Some installation errors are present.
  Exception type: Xamarin.Web.Installer.InstallException
  Message: Failed to attach DMG image '/Users/abcd.is/Library/Caches/XamarinInstaller/Universal/downloads/MonoFramework-MDK-2.10.12.macos10.xamarin.x86.dmg'. Error code 1.
  at Xamarin.Web.Installer.MacInstallationArchiveHandler.MountDmg (System.String path) [0x00000] in :0
  at Xamarin.Web.Installer.MacInstallationArchiveHandler.InstallDmg (System.String path, Boolean needsPrivileges) [0x00000] in :0
  at Xamarin.Web.Installer.Installer.InstallationArchiveHandler.Install (System.String path, Boolean needsPrivileges) [0x00000] in :0
  Exception type: Xamarin.Web.Installer.InstallException
  Message: Failed to attach DMG image '/Users/abcd.is/Library/Caches/XamarinInstaller/Universal/downloads/MonoFramework-MDK-2.10.12.macos10.xamarin.x86.dmg'. Error code 1.</p>