On Jun 12, 11:27*pm, Ian Reekie wrote:
I had exactly the same problem two days ago, I checked the file and
everything was ok with security. *I deleted and repeated the upload a few
times and it worked (validated) on about *the third attempt.

I think there may be a bug with their validation software for older
Cambridge CAI converted files. *I will send an email to the OLC support, I
would suggest you do the same.

if i remember right the issues is a sort of "Year 2000" bug except
this time it is a "Year 2010". I had the same issue when I was using
a Cambridge 20 last year. I think you really just need to change the
file name by one digit or something, can't remember the specifics
though.