Add Ons not copying across from RW5 to RW7?

hi i have just upgraded from 5.4.1 to RW7 and according to the upgrading sites page here
when i open rw7 i will given the option to copy my Addons (point 4 on the above link).

i dont get this option and then when i try and open rw5 projects in 7 it just says and error has occurred and try restarting which does nothing?

any ideas?