Adware:Adware (or spyware) is a small program that is designed to show advertisements (in various form and degrees of intrusiveness) on your computer. It often reports personal information back to its owners. As a result your sense of privacy can be violated.
Trojan.Shutdowner is a Trojan that, when installed on your PC, will attempt to shutdown Windows after a specific interval of time. This Trojan is extremely irritating and can lead to data loss.
Technical details (How to remove Trojan.Shutdowner.em(pop up))