If "Clear data" is greyed out, navigate to Security -> Device administrators in the system setup and deselect ESET Mobile Security. Then you should be able to tap the "Clear data" button.
It's okey now
Ty for fast response.
EDIT : Don't know why but with my same user&pw. I can't activate licence...mhm... Any help please? TY
Same for me on LG L9 II
Can't click on Force stop, Uninstall, Clear data, Clear cache...
Running application for ESET Mobile Security : 0 process and 1 service - Restarting all the time...
Cmon fix this Eset