tareeb xda atom

[dafallashani]

salam alaykom
ishtarait star suite min al net bi 45 euro, kanat ta3mal bisora momtaza fi alayam alawla,now i am getting this message every time :
( the file cant be opened.either it is not signed with atrusted certificate , or one of its components cant be found. you might need to reinstall or restore the file)
I tried to remove it & re-install several times, but it didnt
work
can someone please help me