If your site is not acting as it used it to then there is a possibility that either a file on the server has been corrupted or the site has been hacked.
If you have a maintenance agreement with us please contact us immediately, tell us what you are experiencing, and we will investigate.
If you do not have a maintenance agreement with us but do host your website with us, then again please contact us immediately.
If you do not have amaintenance agrrment with us and have your own hosting then you should contact your hosting provider.
They will be able to run tests to see if there are issues and advise on the appropriate steps to take.