Back at work, you guys have been busy answering while I was a sleep.
Just to clarify.
There was no issue on 7.5.9 only on 7.6.0
It concerns explorer 11.0.9xxxx and Chrome Version 56.0.2924.87 (64-bit)
on both forums
http://www.britbike.com/forums/ubbthreads.phpand
https://www.ubbcentral.com/forums/ubbthreads.php