Technical problems and solutions!!! (all problems and errors are stored here)

[Alto]

Hi,

I just got the DD of off GG but it says that I need the :
The following prerequisites are required:


* .NET Framework 2.0 (x86)

I went to the link ( provided from GG ) and I downloaded it - dotnetfx BUT
when I try to run that it gives me an error saying it can't install that because of previous installations ??
I am running the latest mozilla, so what do I do ?