Remove PRS for Music - Metropolitan Police

[Jack]

If your computer is locked, and you are seeing a “Your computer has been blocked” notification that pretends to be from the PRS for Music, then your computer is infected with a piece of malware known as Trojan Kovter.

To remove the “PRS for Music” virus follow this guide: http://malwaretips.com/blogs/uninstall-prs-for-music/