I've been trying over and over to install this package. I believe it is because of our proxy server, but I've searched for resolution to this for quite some time without success.
Here is the log:
[6/3/2010, 9:51:33]Action: Downloading http://go.microsoft.com/fwlink/?LinkId=164166&clcid=0x409 using WinHttp...
[6/3/2010, 9:51:33]Auto detecting proxy information
[6/3/2010,9:51:33]WinHttpDetectAutoProxyConfigUrl failed with error: 12180
[6/3/2010,9:51:33]Auto detection of proxy failed, try to retrieve proxy information via IE.
[6/3/2010,9:51:33]Retrieving proxy information using WinHttpGetIEProxyConfigForCurrentUser
[6/3/2010,9:51:33]Using WINHTTP_ACCESS_TYPE_NAMED_PROXY
[6/3/2010,9:51:33]Session Created
[6/3/2010,9:51:33]Connection Created
[6/3/2010,9:51:33]Request Created
[6/3/2010, 9:51:33] Action complete
[6/3/2010, 9:51:33]C:\DOCUME~1\mlafleur\LOCALS~1\Temp\Microsoft .NET Framework 4 Setup_4.0.30319\TMP255B.tmp: Verifying signature for Windows6.0-KB956250-v6001-x86.msu...
[6/3/2010, 9:51:33]Possible transient lock. WinVerifyTrust failed with error: 2148204800
[6/3/2010,9:51:33]Possible transient lock. WinVerifyTrust failed with error: 2148204800
[6/3/2010,9:51:33]C:\DOCUME~1\mlafleur\LOCALS~1\Temp\Microsoft .NET Framework 4 Setup_4.0.30319\TMP255B.tmp - Signature verification for file Windows6.0-KB956250-v6001-x86.msu (C:\DOCUME~1\mlafleur\LOCALS~1\Temp\Microsoft .NET Framework
4 Setup_4.0.30319\TMP255B.tmp) failed with error 0x800b0100 (No signature was present in the subject.)
[6/3/2010, 9:51:33] C:\DOCUME~1\mlafleur\LOCALS~1\Temp\Microsoft .NET Framework 4 Setup_4.0.30319\TMP255B.tmp Signature could not be verified for Windows6.0-KB956250-v6001-x86.msu
[6/3/2010, 9:51:33]No FileHash provided. Cannot perform FileHash verification for Windows6.0-KB956250-v6001-x86.msu
[6/3/2010,9:51:33]Download failed at attempt 4 of 4 for http://go.microsoft.com/fwlink/?LinkId=164166&clcid=0x409 using Http
[6/3/2010,9:51:39]Starting download attempt 4 of 4 for http://go.microsoft.com/fwlink/?LinkId=164166&clcid=0x409 using UrlMon
[6/3/2010, 9:51:39]Action: Downloading http://go.microsoft.com/fwlink/?LinkId=164166&clcid=0x409 using UrlMon...
[6/3/2010, 9:51:39]UrlMon download failed with 80070005
[6/3/2010, 9:51:39] Action complete
[6/3/2010, 9:51:39]Download failed at attempt 4 of 4 for http://go.microsoft.com/fwlink/?LinkId=164166&clcid=0x409 using UrlMon
[6/3/2010, 9:51:39] Action complete
[6/3/2010, 9:51:39] Action complete
[6/3/2010, 9:50:15]calling PerformAction on an installing performer
[6/3/2010, 9:50:15]Action: Performing actions on all Items...
[6/3/2010, 9:50:15]Wait for Item (clr_optimization_v2.0.50727_32) to be available
[6/3/2010,9:50:15]clr_optimization_v2.0.50727_32 is now available to install
[6/3/2010,9:50:15]Creating new Performer for ServiceControl item
[6/3/2010, 9:50:15]Action: ServiceControl - Stop clr_optimization_v2.0.50727_32
...
[6/3/2010, 9:50:15]ServiceControl operation succeeded!
[6/3/2010, 9:50:15] Action complete
[6/3/2010, 9:50:15]Error 0 is mapped to Custom Error:
[6/3/2010,9:50:15]Wait for Item (Windows6.0-KB956250-v6001-x86.msu) to be available
[6/3/2010,9:51:40]Final Result: Installation failed with error code: (0x80070005), "Access is denied. " (Elapsed time: 000:01:32).