hello lovely macrumors community. Hoping you Can help with this Odd error . Evertime i try to restart or shutdown this message comes up “office 2016 installation start “ as a management action box . Screen is black and all I can do is press dismiss . Sound works when I hit any key but I can only power off by holding the power button down . I have tried : Removing all office 2016 products (Apart from onedrive) Same error Also removed all keychain permissions related to office Same error Fresh reinstall of office 2016 . Same error . Any other keys I can press while on this black screen other than to force a power off !?how do I fix this ? Latest version of OS X Issue started last week and haven’t upgraded anything . Please help ! Use my mac daily for work so would be much appreciated .