installation problem

Hi guys,
i’m having a couple of issues as im attempting to install cubase studio 5, the first error message in getting says
windows cannot find C:\progra~2\elicen~\1\pos\synsopos.exe make sure you typed the name correctly and try again

and the second one says
a string occurred when attempting to create the directory C:\users\computername\appdata\roaming\microsoft\installer

im afraid im not very tech savvy so have dont know how to fix this, does anyone with some computer knowledge have any ideas how to fix this?
I would be grateful for any help as this is the newest in a catalog of issues for me as im trying to get cubase back running on my computer

thnx in advance