Do you really want to lose customers, because this is how you lose them.

Romilly

Fix the infinite spin please when switching to full screen. OMG makes me want to vomit.

rluke

In case you have this issue just open System Preferences>Security and Privacy. Go on Privacy tab. Click on the lock on the left bottom corner, enter your password and check "ESO" and "Zenimax Online Studio Launcher". Will fix the issue.