Cannot delete these 2 files

[calamico]

Found these 2 files in my temp internet files/content which I cannot delete - an error message says they are in use - but I annot find where :-

st[3].htm

client_ad[1].htm

Something to do with Earth Share.

Anyone know anything ?

[tashi]

Hello.

Are you trying to remove client ads from such as Earthshare or Yahoo Messenger?