Exclamation Android stuck on APPS instal (install rights)

Hello im new and i have a problem .... no no this is not correct ... i make the problem :/ ..... i try to root my chinese tablet and its work , the root is to great .... But im a bit of idiot and i unistal from root the root apps and now this cant isntall android aps its stuck on install rights . but i dont stop there i try to make the reset to factory settings to fix the problem .... now i havent the super user and i cant install apps . So i cant see root and fix the problem

if any one can help this will be nice
thenks