Thanks for the tip but to be honest, partitioning was not my main concern.
I started to have certain problems with the OS in the last couple of days even though i did no tweaking or messing around.
My drive icons turning into blank images for example, and other strange oddities including the virtual disk manager problem, messed up file associations and system restore being turned off .
I don't know why this has happened and i won't find out as i've backed up and prepared for a format.
It's unlikely i have a virus as i've done thorough checks of everything service-wise, processes and registry entries.
But the major concern is the system restore so a reformat is my only option!