Drive [Q] Newbie here, Need your help, Root access possibly lost, Fix?

Hi there i have f180s in which i installed Rom QT-F180S V10D
now it is e975,After it i tried these

cm-11-20140204-NIGHTLY-e975
cm-11-20140205-NIGHTLY-e975
pa_e975-4.0-BETA4-20140128

but after installation i get this error
Root access possibly lost, Fix?
NO
Yes - Fix Root (/system/xbin/su)
+++++ Go Back +++++

which ever i tried every time i am again into ClockworkMod Recovery Mod

Plz help