We had the previous free version of WP Smush installed and signed up for a trial of the pro version. We tried to install WPMU Dev and it appears the installation didn't successfully complete. I was able to briefly see the plugin screen and went to try to update to the pro version of Smush and it would not download. I logged out of WordPRess and tried to log back into WPMU and when I entered the password and login the browser form started spinning and just returned to the main login and didn't give any errors or anything.
Could it could be a problem with WP Engine or WP Security?
We have WP Changes tracker installed and here is what it shows:
2017-03-08 03:54:31 option option: "wdp_un_last_run_updates" added, value: hide details 1488945271
2017-03-08 03:54:27 option wdp_un_autoupdate_dashboard deleted.
2017-03-08 03:54:27 option option: "wdp_un_autoupdate_dashboard" added, value: show details 1
2017-03-08 03:54:27 option option "wpmudev_apikey" updated:
It also looks like the free plug in is giving an api error also.
It's almost like something is blocking the installation. Any ideas?