Received error code 2 and 66 a download 4 Net framwork

system running Vista - Service Pack 2 - 32-bit

After continuing get
error code 2
and error code 66A

I uninstalled Net Framework 4 client profile. When you try to download again Microsoft got this failure...
There are evaluated to false
Patch (c:\f660d1b486544b623427d4eb6d348f\NDP40-KB2416472.msp) install failed on product (Microsoft .NET Framework 4 Extended). MSI log:
MSI returned 0 x 643

The action changes

PerformMsiOperation returned 0 x 643

PerformMsiOperation returned 0 x 643

OnFailureBehavior this article is to Rollback.

Complete action

End result: the Installation failed with error code: (0 x 80070643), "Fatal error during installation." (Time: 0: 00:01:08).

Can U help?

Hi Dennis, P

Thanks for the reply.

Method 1.

You can run the Microsoft uninstall or install fixit once more and choose uninstall .net Framework. Once the uninstall is complete, restart the computer and try to install the update.

Method 2.

We can refer to this article and check if that helps.

"0x8007066A" or a "66" error codes occur when you install updates of .NET Framework: http://support.microsoft.com/kb/2507641

Let us know if you need assistance.

Thank you.

Tags: Windows

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