WP Defender ever since install has not completed the initial scan. I have read though the forums and this is just about exactly the same issues that i have been having.
The initial issue was that the backend of WordPress would not load - just a blank screen. Then it turned into the entire site not loading - all white screens.
After disabling each plugin one at a time, the one that made the site work again was deactivating WP Defender. (I had to do this by changing the plugin folder name, as I could not deactivate via the plugins page within WordPress because when I would, It would load yet another......you guessed it, white page.
So, I have done these repeated steps of uninstalling, deactivating, reactivating while increasing the memory limits and max execution times and am now up to 240secs for max execution time and 1 gig of memory and am still hitting those.......there is something wrong with this.
I have allowed support access. Thanks ahead of time.