You need to install FrontPage Extensions on your account to be able to publish your webpages using Ms Frontpage,
To install Frontpage Extensions please do following steps:
1-Login to cPanel of your account. you can use the URL mentioned on your account information email or this URL :
https://www.axspace.com/client_panel/_cp_login
2-Once you logged in, select "Frontpage Extensions " In the advanced section and click on "Install extensions" for your account.