Newletter Problem

After I send newslletrs the admin area became totally blocked. Atre I reffreshed the page and I tried to access admin areaI recived the message: page 403.shtml/could not be found. What shall I doo? I run 4.3.1 version.

Thanks

Hi,

cannot understand what happened there. Please check your installation with an oxchkversion.
Is it possible that your hosting provider was playing around at the server?

Regards