> EDIT- QUESTO E 'SOlVED - Ho downgrade a OSX Maverics quindi aggiornato a EL Capitan.
Quando premo 'INSTALLA', conta fino a 1 secondo, quindi si blocca. Ecco il log degli errori:
Aug 30 00:19:32 Charlies-Air InstallAssistant[469]: Can not connect to /var/run/systemkeychaincheck.socket: No such file or directory
Aug 30 00:19:32 Charlies-Air Unknown[435]: 2016-08-30 00:19:32.889 InstallAssistant[469:17221] NSColorList could not parse color list file /System/Library/Colors/System.clr
Aug 30 00:19:32 Charlies-Air Unknown[435]: 2016-08-30 00:19:32.899 InstallAssistant[469:17221] Failed to connect (keyReceivingView) outlet from (IASetupWindowController) to (PUKDiskPickerHorizontalView): missing setter or instance variable
Aug 30 00:19:32 Charlies-Air Unknown[435]: 2016-08-30 00:19:32.900 InstallAssistant[469:17221] Failed to connect (loadingDistProgress) outlet from (IASetupWindowController) to (NSProgressIndicator): missing setter or instance variable
Aug 30 00:19:32 Charlies-Air Unknown[435]: 2016-08-30 00:19:32.900 InstallAssistant[469:17221] Failed to connect (loadingDistView) outlet from (IASetupWindowController) to (NSView): missing setter or instance variable
Aug 30 00:19:32 Charlies-Air Unknown[435]: 2016-08-30 00:19:32.900 InstallAssistant[469:17221] Failed to connect (subtitle) outlet from (IASetupWindowController) to (NSTextField): missing setter or instance variable
Aug 30 00:19:32 Charlies-Air Unknown[435]: 2016-08-30 00:19:32.900 InstallAssistant[469:17221] Failed to connect (keyReceivingView) outlet from (IAContentView) to (PUKDiskPickerHorizontalView): missing setter or instance variable
Aug 30 00:19:33 Charlies-Air InstallAssistant[469]: Package Authoring Warning: The installer script defines but doesn't use (and can't install) package id com.apple.pkg.OSUpgrade version 10.11.6.1.
Aug 30 00:22:04 Charlies-Air InstallAssistant[469]: Unable to submit Crash Reporter log in OS Install environment!