Hi,
I am sorry but I tried using IE11, IE10 and IE9, I can't reproduce your problem.
IE11 include a feature which allowed to use the previous version of Internet Explorer, it includes the previous engines so I don't really understand why I can't reproduce your problem.
Regards,
Jerome - Obsidev.com
HikaMarket & HikaSerial developer / HikaShop core dev team.
Also helping the HikaShop support team when having some time or couldn't sleep.
By the way, do not send me private message, use the "contact us" form instead.