What iswrong when my galaxy askes to update but doesnt install

[AC Question]

I have games that need updates not from play stores use to let me install now it doesnt

 

[Rukbat]

You shouldn't be installing games from unknown sources (play store, Amazon, etc.)

 

[Tim1954]

You can turn on the unknown scources but that is a very high risk activity and you only have yourself to blame if your phone gets hacked! You have been warned.