Question [Q] Note 2 stock 4.3 rom to cyanogenmod roms

Hello there,
I'm still new here and i need to ask some questions please,

1st I have rooted my N7100 through CF autoroot via odin and installed clockwordmod recovery and copied the file into my sdcard but when i choose to install the .zip file it always says installation aborted (bad) i tried to donwload it twice but im having the same problem. any help?

2nd I was wondering if i could flash custom ROM again through odin even if i had the Knox counter void is 1 ?

Your Help would be appreciated dears