TMS Control Label Issues

Today I added a TMS group box containing a few TMS controls onto a page tab and suddenly the labels for the other TMS controls on the same page disappeared.  If I click the mouse on the tab, the labels reappear but as soon as I release the mouse they disappear again.

I'm using Delphi XE and Windows 7. If I remove that control group from the page, the label behave normally again. Video linked here. Any ideas?

Forum is messing with the link:

It is very hard to see what exactly you are doing in this page control.
Could you prepare a sample source app with which this can be reproduced using the latest versions of the controls?

Hi Bruno,
Sample project compiled, tested and emailed to support.

We replied and handle this issue further via email.