I have this site on godaddy Failpeep.com , It started giving me this problem yesterday , When I tried to login to admin area , It 1st kept loading if I entered the correct password and took me to a 500 error page after a long wait, If I enter a wrong password it gave me the wrong password message in a second, Then I disabled all the plugins by renaming plugin folder to plugins-old , So I got the w3cache error and blank page, So I created a new plugin folder and moved w3 cache to it so it started showing me all the pages again, Now when I try to login to any page , I get this message
Database Update Required
WordPress has been updated! Before we send you on your way, we have to update your database to the newest version.
The update process may take a little while, so please be patient.
Update WordPress Database
When I click update wordpress database , It keeps loading and then gives me 500 internal error. I had already reverted to default theme as You can see in the site url.
what should I do now , I can not afford to lose the database , I tried backing it up from godaddy panel and it is 500mb+ , What should I do :(