WP Defender is stuck at 5%, I can't even turn on the blacklist

Hey guys, It's me (again!)

I'm attempting to try Defender but it never seems to finish the scan. I've edited the wp-config by adding a command (recommended on a previous post) and tried removing it and enabling it again but it just sits there.

In addition to that, upon reactivating it I can't even use the 'Blacklist' function.

Any chance you guys could take a look, I've already enabled the Support Access button.