Windows 2008 R2 執行更新時出現 403 - Forbidden: Access is denied

Windows 2008 R2 執行更新時出現 403 - Forbidden: Access is denied 而無法更新
結果是 Windows Update Software 的問題,需先更新 KB946928


Received this error when trying to use windows update: 403 - Forbidden: Access is denied. You do not have permission to view this directory or page using the creditials that you supplied.
http://answers.microsoft.com/en-us/windows/forum/windows_other-windows_update/403-forbidden-access-is-denied/a16db934-fd64-43db-80c0-a9e9a034cec4
There was a new update to the Windows Update Software that you may not have downloaded.

Please download it from the links below. Also note that there are 32 bit versions and 64 bit versions, please download the version that you require.

Please see the following KB article for the details (and download links):
Http://support.microsoft.com/default.aspx/kb/946928
To speed things up, I'll link the downloads directly:

(32 Bit) x86: http://download.windowsupdate.com/windowsupdate/redist/standalone/7.4.7600.226/windowsupdateagent30-x86.exe

(64 Bit) x64: http://download.windowsupdate.com/windowsupdate/redist/standalone/7.4.7600.226/windowsupdateagent30-x64.exe