can't install any apps

[K.Raptor]

i have an AOSP extended verison 4.2
after i have flashed it
i can't install any app !
i press the install button but nothing happened
help please
i checked the screen overlay and also the permissons

 

[Potato997]

Have you flashed the recommended firmware? 7.5.19
Clean or dirty flash? If dirty try clean install.

 

[K.Raptor]

Have you flashed the recommended firmware? 7.5.19
Clean or dirty flash? If dirty try clean install.

Clean
Yup 7.5.19 , I also use OpenGapps Micro