I have installed windows 10 version 1803 April update 7-8 time repeatedly because the Windows sore and store apps get corrupt on updating
at last moment of completion of update app got an error and apps start is got disabled or missing appps
unable to download new app
unable to reinstall apps
I tried window apps trouble shooter . winset command, powershell/cmd commands and reinstalling this version of windows but this problem does not vanish