Thank you for reaching out to the Samsung community! As per the screenshot shared it seems like you are installing application from the third party websites. We recommend installing applications from Play store or Galaxy app store.
Be sure to hit ♡ when you find an answer that works for you. For further assistance, you can get in touch with us via Live Chat option by following- http://livechat.support.samsung.com/Customer_new/IN. You can also connect us via Samsung Members web community by following mentioned url-https://community.samsungmembers.com/en_IN#/
