Security and sever Seniomomentitis!

[#1]

A couple of weeks ago my comp needed a format, but I forgot to save to removable disk a prgram, (or was it two) that prevented java code unless authorised and likewise adverts. Trouble is I cannot remember what those programs were called or where They come from. If relevant  I use Firefox.
Has anyone ideas that might help? Except euthanasia that is ;).

[#2]

it wouldn't be the no script addon and super adblock would it

[#3]

@Oldjim
They seem familiar, so I'll hunt them out in FF.
Thanks