Various bugs and generally poor stuff

Ive installed the WMPU Plugin on one of our sites –

The dashboard has no styling.

The dashboard also does not work correctly at all.

I cant search for plugins or runt he WPMU defender.

The uptime reports will not enable.

The ability to search for plugins is broken.

The system really doesnt seem to work.

Ive followed these steps:

1. Downloaded WPMU

2. Installed the WPMU plugin

3. Activated it.

4. Installed branding (this one works cause it’s on the popular list)

From here I cant put defender or any of the new plugins in.

I have granted access to support from my dashboard. Can you please confirm what the issue is.