I did try to update my website with Joomla Installation method in the back end : mysite/administrator/index.php?option=com_joomlaupdate
But I can't upgrade from Joomla : I have a popUp :
ERROR: The archive file is corrupt, truncated or archive parts are missing
Why I have this error and how I can update it ?
Thnaks for help
Version de PHP : 5.5.11
Serveur web : Microsoft-IIS/7.5
Version de Joomla : Joomla! 3.6.3 Stable [ Noether ] 17-October-2016 13:35 GMT