hi,am having lot of issues with v5.2 am currently using,most especially usermanager.i have another server somewhere running v4.11 and has not been giving problem.so am thinking of downgrading to v4.11 and if its possible without losing my licence how do i go about it..i need ur response urgent..thanks

Once I had to downgrade from 5.6 to 4.17 and it done without any problem.
I think the license doesn't take affect form this!!