When I try to install it again it says E Could not get lock varlibdpkglock open Resource temporarily unavailable E Unable to lock the administration directory varlibdpkg, is another process using it? 플레이온리눅스가 설치된 것을 삭제할 수 있으며 삭제할 수 있다면 어떻게 하나요? Or how do I reinstall it?