Hi I tried to upgrade my Plesk from version 7.5.4 to Plesk 8.1 using Auto Installer. However, when I clicked Install button in the Installer, the page loaded slowly then I got (Internet Explorer cannot display the webpage) error! I tried to re-access Plesk CP but I always get the same error. I assumed that maybe some processes are working in the background so I waited 3 hours and tried again, but it was the same thing. Now, Plesk and email are not working, but Apache and FTP are working fine. What shall I do to fix it?