How to uninstall unknown application's

[AC Question]

Hi everyone my phone is Sony Xperia M2 Model D2303
Can i uninstal application that are shown in my home button as blue icon with red circle of Sd cart. Any attempt to uninstalling pop up massage saying application not found. Please help thank you very much

 

[hallux]

Those sound like apps that had some or all of their info moved off to an SD card. Did you have one in the phone and is it still there and mounted? Did you set it up as adopted storage and is it still set up that way?