cannot root after updating to jellybean 4.2.2 topic

Hi people
first time poster.
i have a seriuos problem here , since i am e noob in the root things and i dont kow wha to do
i have rooted my galaxy note 8 with framaroot jus to use a mouse and keyboard emulator no to do anyhing technical or some ROM things
and then i " regretfully" have updated the device to jelly bean 4.2.2 and now i am lost
im not rooted and though i have the supersu app installed and stuck , it cannot be uninstalled.
i have ried to use root manager to remove the file from inside , it tells me it has been removed however it is not
also it cannot be opened it tels me " there is not SU binary installed , and superSU canot install it , this is a problem"
tried to re-root the devise again , downloaded the latest framaroot . i doesnt work and tells me " failed ry anoher exploit if available"
all of herm are giving me the same thing

so now what to do

for who is going o help , please DUMB i down alitle for me as im not familliar with abbriviation of android

thanks alot in advance