Is bitdefender working correct?

HI.I install bitdefender and after updates my pc is hanging and not working good and startup of bitdefender very slow

after I open bitdefender I turn off real time optimization(before I turned on it)

Can real time optimization make my pc like hanging 

I should say I uninstalled another security product and without restart then I install bitdefender and some services of that av is working

what is the problem and if problem persists what should I do

my version of bitdfender in control panel is but in about is