1) Firstly you need to go to Start, and then to your Control Panel.
2) Once there, find, select and click the Add/ remove Programs button.
3) Once you've did that you'll now see a huge list with all kind of programs that are installed on your computer. Scroll down the list until you've stumbled on Protect Pcs Messenger and select it.
4) Once selected you only have to hit the remove button and the removal process begins.