After upgrading an old install of I started getting errors connecting to the mac from windows visual studio 2012 on Win 7. So I uninstalled xamarin and rebooted. Performed normal install and then installer stopped with errors. Log file shows
`[Info] MSI (s) (60:F8) [14:38:18:228]: Product: Xamarin Studio 4.2.2 -- Installation failed. [Info] MSI (s) (60:F8) [14:38:18:228]: Windows Installer installed the product. Product Name: Xamarin Studio
4.2.2. Product Version: 4.2.2.2. Product Language: 1033. Manufacturer: Xamarin. Installation success or error
status: 1603. [Info] === Logging stopped: 1/21/2014 14:38:18 === [2014-01-21 19:38:18.476] [Info] END >>>>>> msiexec log: '\Temp\tmp9BD8.tmp' [2014-01-21 19:38:18.482] [Info] Status: failed. [2014-01-21 19:38:18.487] [Exception] Installation of software item 'Xamarin Studio' failed with exception. [2014-01-21 19:38:18.487] [Exception] Xamarin.Web.Installer.InstallException: Installation of archive
'\Temp\Xamarin\downloads\XamarinStudio-4.2.2-2.msi' failed with exception. --->
System.InvalidOperationException: MSI execution failed. [2014-01-21 19:38:18.487] [Exception] at Xamarin.Web.Installer.WindowsInstallationArchiveHandler.InstallMsi(String
file, Boolean needsPrivileges) [2014-01-21 19:38:18.487] [Exception] at Xamarin.Web.Installer.Installer.InstallationArchiveHandler.Install(String
path, Boolean needsPrivileges) [2014-01-21 19:38:18.487] [Exception] --- End of inner exception stack trace --- [2014-01-21 19:38:18.487] [Exception] at Xamarin.Web.Installer.Installer.InstallationArchiveHandler.Install(String
path, Boolean needsPrivileges) [2014-01-21 19:38:18.487] [Exception] at Xamarin.Web.Installer.Installer.BaseSoftwareItem.Install(UInt32 tryNumber) [2014-01-21 19:38:18.487] [Exception] at Xamarin.Web.Installer.Installer.MonoDevelopSoftwareItem.Install(UInt32 tryNumber) [2014-01-21 19:38:18.487] [Exception] at WindowsInstaller.ProgressPage.InstallationWorker() [2014-01-21 19:38:18.492] [Info] Status: failed. [2014-01-21 19:38:18.497] [Debug] Starting installation complete task. [2014-01-21 19:38:18.503] [Info] Background installation worker completed. [2014-01-21 19:38:18.508] [Info] Installation completed with failure [2014-01-21 19:38:18.513] [Info] Status: failed. [2014-01-21 19:46:26.647] [Info] Status: failed. [2014-01-21 19:46:26.663] [Info] Status: completed `