>Hello Naomi,
>
>It is an OLE (oExplorer). I've joined a print screen to make sure I explain myself properly. I've just tried issuing specifically a Release oExplorer, but it didn't produce any positive result.
>
>Do you have another idea?
>
>Thank you very much for your time!

It looks like a Web Browser control on a form. Without seeing your code it's hard to suggest anything. Once you're done with the page, try loading back a blank page.