Alright, so the above has some useful comments, ie, "delete that shit"
But it doesnt tell you how? I assume youre new, since you only have 4 posts (this is actually my first post... haha).
Apologies in advance if youre experienced enough to work it out for yourself
Make a backup of your important files, just in case (unlikely) things go south!
This is the official method to uninstall, http://www.pandasecurity.com/uk/support/card?id=82011
But I found that it didnt remove everything, and assumed you were going to upgrade it after you uninstalled.
http://www.pchell.com/virus/uninstallpanda.shtml
This tells you how to remove it completely. Ive had experience in the past of removing it (it came as part of a bundled package on my friends PC)
Please read both links carefully, taking note of what version you have (this will effect which link you need to click on for the removal tool in the 2nd link)
Once youre confident its gone, get AVG as mentioned above. Its free, and relatively good
If you have a few dollars/pounds whatever to spend, get a paid AV