Update KB2446708 has repeatedly failed to install, citing 66A error code.

Optional updates succeeded where this is important and some recommended to those who do not. Help and troubleshooting suggestions were followed, but in vain. Is there a way to delete all updates failed and regain some lost speed, not to mention allow updates installed?

Hi Ed,

First try the solution at this link: http://www.microsoft.com/downloads/en/details.aspx?FamilyID=9cfb2d51-5ff4-4491-b0e5-b386f32c0992&displaylang=en&lc=1033.

If this does not work, remove Microsoft .net Framework 4.0 using the .NET Framework Cleanup tool http://blogs.msdn.com/b/astebner/archive/2008/08/28/8904493.aspx.  And then reinstall the Microsoft .net Framework 4.0 http://www.microsoft.com/downloads/en/details.aspx?FamilyID=0a391abd-25c1-4fc0-919f-b21f31ab88b7&displaylang=en and then install the update, you are having problems with.

If this does not work, try resetting update (including a fixit) components: http://support.microsoft.com/kb/971058

If this does not work, try a manual download by putting the KB numbers who fail looking here: http://www.microsoft.com/downloads/en/default.aspx and download them directly and see if it works.

If this does not work, go to C:\Windows\SoftwareDistribution and remove content (but not the folder itself) and then restart.  See if that helps.

Remove updates failed won't find you any lost speed - although if it could be done, it might be useful save you some space (assuming that all who uploaded was saved even if it has failed).  It also will not help install new updates.  It's a totally different question that hopefully will solve the above.  If a solution works for some but not for all of them, then try the other options to see if they can help as well in terms of everything attaches.

If this does not help, please repost in the forum for the correct Windows version from: http://answers.microsoft.com/en-us/windows/forum/windows_update?page=1&tab=all&tm=1300700638376.

I hope this helps.

Good luck!

Tags: Windows

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