Hi there!
We have responded to each of your requests, however, it does not appear that you have received our replies. Please check the email address in your Client Area and ensure it is correct. If it is, please check your spam folder for our replies or contact your email provider to see why our replies from our support@invisionpower.com account are making it to your mailbox. Alternatively, you can change your email address to something else.
Getting to your issue, however, to check your server's compatibility with the latest release of our software, please see the following file. You can upload this to your server and then browse to it in your browser. Please have your hosting provider correct any issues in red. https://invisioncommunity.com/files/file/7046-invision-community-requirements-checker/