I tried to use Windows Update, and it said to install the new version. When I tried to download the new version, the download and file copy completed, it blinked and posted an
error 0x80070020 unable to access web page.

Microsoft Help suggested turning off anti-virus and anti-spyware. I found that turning off Spybot resident tools (Tea Timer) allowed the update to load, and there was another step showing Registering files.

There were no entries in the log showing what might have been blocked.