AV 2016 Installation error 0xc007001d in Windows XP

Installation error 0xc007001d in Windows XP. Comes up immediately after "downloading components".

Background: successfully running AVG AV 2015 on old XP.  Prompted to update, accepted, install failed as above.  Downloaded & ran AVG_ResetAccess. Downloaded & ran AVG_Remover.  Install again failed as above.  Downloaded fresh copy of AVG AV Free 2016; failed, same error.

NOTE: have latent infection with utorrentie.exe, however Task Manager did not show this process running at time of install.

Hello Tony,
We apologize for the difficulties you are currently experiencing.
Could you please let us know whether you have installed Windows XP Service Pack 1 or Windows XP Service Pack 2 or Windows XP Service Pack 3? so that we are happy to assist you better.
Feel free to contact us for any further assistance. Thank you.

Tony, Also have a look @ this AVG article (http://avgread.me/1Ewajhi).
AVG Guru