Product: Microsoft .NET Framework 3.5 SP1 -- Error 25541.Failed to open XML file C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\CONFIG\web_mediumtrust.config, system error: -Event Type:Error
Event Source:MsiInstaller
Event Category:None
Event ID:10005
Date:9/22/2009
Time:11:31:58 AM
User:CORPVTSUMT001\Test
Computer:CORPVTSUMT001
Description:
Product: Microsoft .NET Framework 3.5 SP1 -- Error 25541.Failed to open XML file C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\CONFIG\web_mediumtrust.config, system error: -2147024894

For more information, see Help and Support Center at http://go.microsoft.com/fwlink/events.asp.
Data:
0000: 7b 43 45 32 43 44 44 36 {CE2CDD6
0008: 32 2d 30 31 32 34 2d 33 2-0124-3
0010: 36 43 41 2d 38 34 44 33 6CA-84D3
0018: 2d 39 46 34 44 43 46 35 -9F4DCF5
0020: 43 35 42 44 39 7d C5BD9}

I have attempted to uninstall all previous versions of .NET and rename the assembly folder with no luck. I have also uninstalled all previous versions and ran the cleanup utility to no avail.

Here are the log filescompiled from Collect Utility:

http://cid-4c9f2517ec11a747.skydrive.live.com/self.aspx/.Documents/vslogs.zip

Thanks in advance for the help!


****UPDATE****

The following article provided the solution:

http://blogs.msdn.com/astebner/archive/2007/11/01/5826719.aspx