How do you remove these tags

Secure and full-featured Online Shopping Cart Software with the complete set of powerful ecommerce options to create your own online store with minimum efforts involved. I went to admin and all pages then removed it but it still shows up.

clear your cache. Blocks are now cached for performance.

I have done that already and it is still there

A link to your store would help so that someone can look at the page source and possibly give you a hint as to where it is coming from.