Sometimes permissions of the files and directories in you Site might go out of Sync and not allow WordPress to update them. In most cases it can be easily used by the "Fix Permissions" Tool.
To Fix permissions open your site in WPOven , Visit the Tools Tab. In the availbile Tools use the "Fix Permissions" Options. This should resolve the problem in most cases.
If there is still a error do not hesitate to contact support.
