The error caused should be the installer of Microsoft .Net framework 2.0 SP1. Please do the following steps:
Here are the steps that can be used to resolve this issue if you encounter it during .NET Framework 2.0 SP1 setup:
1. Click on the Start menu, choose Run, type cmd and click OK
2. Run this command:
reg delete "HKLM\SOFTWARE\Microsoft\NET Framework Setup\NDP\v2.0.50727" /v Version /f
3. Run this command:
reg delete"HKLM\SOFTWARE\Wow6432Node\Microsoft\NET Framework Setup\NDP\v2.0.50727"/v Version /f
4. Try again to download and install the .NET Framework 2.0 SP1
from:
http://www.microsoft.com/downloads/details.aspx?FamilyId=79BC3B77-E02C-4AD3-AACF-A7633F706BA5&isplaylang=en
Details:
For detail of the issue, please refer to the blog written by Microsoft MVPs at:
http://blogs.msdn.com/astebner/archive/2008/06/24/8649874.aspx