Htc desire 510

[AC Question]

I need some help my phone downloaded a app I assumed it was the comic I was attempting to read but when I opened it it was not the comic it was an app so I carelessly opened it but it asked me to give it device administration access so I let it but I can't remove it from device administration each time I do it turns off the screen and never unchecked so can someone please help me

 

[belodion]

Can you boot into Safe Mode, and then Uninstall it?