It just means the site you visited has that popup. No removal required. Just turn on the browser's popup blocker.
If it's malware, start with Grif's list at http://www.cnet.com/forums/discussions/how-to-remove-pup-option-603542/#post-f742c795-5881-433b-a29b-6d758efe5cd3
is there any freeware that i can remove 888-244-7420 tech scam pop-up with or any manual procedure that is not too complicated