Certificate does not match site, and PayPal cart as a URL

I need help!! If you go to my site.. [[login to view URL]][1] you will most likely get a security warning saying that the sites certificates do not match that name on the site. The problem is, is that I don't have any certificates on the site. It doesn't make sense.. All the files on the site come from an HTTPS site, and my PayPal logo is also hosted on a HTTPS site. So the first question is, how can I fix this so customers do not get this message? Second is, if you click on my Cart hyperlink. you will get an error in the cart "Saying you must enter a number other than 0" I want to be able to use a hyperlink to see my PayPal cart, and not get this message.. Whether there is products in the cart or not. ## Deliverables 1) Complete and fully-functional working program(s) in executable form as well as complete source code of all work done. 2) Deliverables must be in ready-to-run condition, as follows (depending on the nature of the deliverables): a) For web sites or other server-side deliverables intended to only ever exist in one place in the Buyer's environment--Deliverables must be installed by the Seller in ready-to-run condition in the Buyer's environment. b) For all others including desktop software or software the buyer intends to distribute: A software installation package that will install the software in ready-to-run condition on the platform(s) specified in this bid request. 3) All deliverables will be considered "work made for hire" under U.S. Copyright law. Buyer will receive exclusive and complete copyrights to all work purchased. (No GPL, GNU, 3rd party components, etc. unless all copyright ramifications are explained AND AGREED TO by the buyer on the site per the coder's Seller Legal Agreement). ## Platform Current platform..