Avast blocking 'buy now' button

Avast Free Antivirus / Premium Security
1

Hi

http://www.crucial.com/uk/store/partspecs.aspx?imodule=CT25664AA800

There should be a blue ‘BUY NOW’ button under the price info. This does not show when web shield is on - Firefox & IE8

Clank

2

Use ADD TO BASKET