you might be better to do a complete uninstall and a full reinstall from the original disc ...unless you were running v3
go to start ..click on control panel and then double click on add or remove software
let it log all the programs then select radarbox ...and bob's a close relation of your father ...
but I'm no expert ....see what others say ...
it maybe advisable to make a back up of the varrious important files too ...think its mentioned in another thread