Hi Dan,
Thanks for your reply.
I have forwarded the logs onto that address.
This line seems to point at a web application within the site but there isn't one. Even if there was though I would expect it to be removed.
# 2015-08-20 @09:57:44 [PID=2020|Thread=2352] [..\src\iis\IISCore2.cpp:705 ...