i installed a 42.2 in a VM. there is no problem. the difference? kaddressbook 5.3.3 instead of 5.3.0 5.3.3 was supplied in november 2016 by KDE applications repo but no more after 2016/12/15 when i installed 42.2 in my pc! please supply kaddressbook 5.3.3 in the standard repo.