Know where the pop ups are coming from on my blog?

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Can anyone do me a favor and visit my blog and tell me if they find theres any pop ups i tried to add my blog to blog explosion and they said i had pop ups or pop unders but as far as i know i dont have any i read somewhere that some links can be a kind of spyware to get your details and have pop ups on them without you realising does anyone here know what link it might be. it looks like no pop ups come up has anyone found this with their blogs?