My windows update keeps on giving me this error message Windows update error 643 for Microsoft .NET Framework 4 for Vista. Tried repair the program but to no avail. Any assist appreciated. Thanks.

Hello, This KB may be able to help with your issue: When you try to install an update for the .NET Framework 1.0, 1.1, 2.0, 3.0, or 3.5, you may receive Windows Update error code "0x643" or Windows Installer error code "1603" http://support.microsoft.com/kb/923100/ Besides, this forum is for System Center Essentials(SCE) related issues. For this issue, I would suggest you the following forums: .NET Development Forums http://social.msdn.microsoft.com/Forums/en-US/category/netdevelopment Thanks,Yog Li -- Please remember to click Mark as Answer on the post that helps you, and to click Unmark as Answer if a marked post does not actually answer your question. This can be beneficial to other community members reading the thread.

Hi, As this thread has been quiet for a while, we assume that the issue has been resolved. At this time, we will mark it as "Answered" as the previous steps should be helpful for many similar scenarios. In addition, we’d love to hear your feedback about the solution. By sharing your experience you can help other community members facing similar problems. Thanks,Yog Li -- Please remember to click Mark as Answer on the post that helps you, and to click Unmark as Answer if a marked post does not actually answer your question. This can be beneficial to other community members reading the thread.