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.NET Framework 4 installs, but .NET4 Applications won't run and verification fails

Posted By:      Posted Date: September 02, 2010    Points: 0   Category :.NET Framework
I have the same problem described in following thread: http://social.msdn.microsoft.com/Forums/en/netfxsetup/thread/d8601382-83a4-4039-a71b-3b68dcdc6e26 I'm running Windows 7 x64 Ultimate I installed the .NET Framework 4 Client Profile and even tried installing the FULL/Extended edition the install appears to go in just fine, no errors or anything. Once I try to run a program it fails to work, I tried to verify my .NET4 installation using this tool... http://blogs.msdn.com/b/astebner/archive/2008/10/13/8999004.aspx It ALWAYS fails the verification no matter how many times I uninstall/clean up and reinstall... Here is a snippet from the verifier log... .....[07/22/10,17:35:35] Section [Registry - .NET Framework 4 Full (Wow6432Node)] - stop parsing entries [07/22/10,17:35:35] Processing custom action 'Custom Action - .NET Framework 4.0 test application' [07/22/10,17:35:35] ExecutablePath = 'Netfx40TestApplication.exe' [07/22/10,17:35:35] FriendlyName = '.NET Framework 4 test application' [07/22/10,17:35:35] TimeoutSeconds = '300' [07/22/10,17:35:35] WaitOnExit = 'true' [07/22/10,17:35:35] Silent = 'true' [07/22/10,17:35:35] Launching process 'Netfx40TestApplication.exe' now [07/22/10,17:35:35] Process successfully launched. Waiting 300 seconds for it to complete. [07/22/10,17:35:35] ****ERROR**** Process 'Netfx40TestApplication.exe' exited with return

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.NET Framework 4 installs, but .NET4 Applications won't run and verification fails

I seem to have the same problem as these good people, http://social.msdn.microsoft.com/Forums/en/netfxsetup/thread/58ff584d-e849-49e7-8c17-563296602017 http://social.msdn.microsoft.com/Forums/en/netfxsetup/thread/d8601382-83a4-4039-a71b-3b68dcdc6e26 .NET 4 installs (reporting no overt errors).. but will fail verification with this message. .NET 4 applications fail to run. [07/22/10,17:35:35] Launching process 'Netfx40TestApplication.exe' now [07/22/10,17:35:35] Process successfully launched. Waiting 300 seconds for it to complete. [07/22/10,17:35:35] ****ERROR**** Process 'Netfx40TestApplication.exe' exited with return code -2146232576 [07/22/10,17:35:35] ****ERROR**** Verification failed for product .NET Framework 4 Full I do get this event log error when installing .net 4.0 full version , but not the client. Of course neither one works. ErrorCode 2149842967   ErrorString    CommandLine wusa.exe "G:\e1781735b278c4779d6d\Windows6.1-KB958488-v6001-x64.msu" /quiet /norestart  Steps already taken to troubleshoot this include fully uninstalling .NET 4.0 and reinstalling (both client and full); reinstalling .NET 4.0 over itself with a repair install; installing .NET 4.0 full over a client install; I've also run full disk scans etc., and my system is fully up to date with Windows Updates. Any one know what that error code means? Maybe it can he

.NET Framework 4 installs, but verification fails and .NET4 Applications will not run.


Hi there


I have read through all of the threads for people who have had the same problems as myself and having followed all of the steps I still have no answer and the problem is still there.


I have uninstalled .net 4 and reinstalled it about 20 times. I have completed this with my anti virus off, as an administrator, after running the .net clean up tool and still have had no luck. Please help!!


This is the section of the log from the .net check program in which it fails:


[11/20/10,20:50:27] Section [Registry - .NET Framework 4 Full (Wow6432Node)] - stop parsing entries
[11/20/10,20:50:27] Processing custom action 'Custom Action - .NET Framework 4.0 test application'
[11/20/10,20:50:27] ExecutablePath = 'Netfx40TestApplication.exe'
[11/20/10,20:50:27] FriendlyName = '.NET Framework 4 test application'
[11/20/10,20:50:27] TimeoutSeconds = '300'
[11/20/10,20:50:27] WaitOnExit = 'true'
[11/20/10,20:50:27] Silent = 'true'
[11/20/10,20:50:27] Launching process 'Netfx40TestApplication.exe' now
[11/20/10,20:50:27] Process successfully launched. Waiting 300 seconds for it to complete.
[11/20/10,20:50:27] ****ERROR**** Process 'Netfx40TestApplication.exe' exited with return code -2146232576
[11/20/10,20:50:27] ****ERROR**** Verification

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