Hi,
Kindly try these and get back to me with your findings:
- Run the FixIt in KB 971187 - How to fix MSI software update registration corruption issues by clicking the link below:
http://support.microsoft.com/kb/971187
- Retry the Update.
- If the Update fails, proceed to Step 4.
- Download .Net Cleanup Utility from the link below:
- By using the Cleanup Tool, uninstall all .Net Framework entries. (You will not be allowed to remove the .NET Framework 2.0 on Vista and higher because it is an Operating System component.)
- Restart the computer.
- Download and install the .Net Framework 3.5 SP1 by clicking the link below (this will also install .Net Framework 2.0 SP2 and 3.0 SP2):http://www.microsoft.com/downloads/details.aspx?familyid=AB99342F-5D1A-413D-8319-81DA479AB0D7&displaylang=en
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