Near the little yellow triangle below it must be write "Full registered version" and not "The trial version only allow upto 10 symbols. Click here to purchase full license and remove limitations"
I found that the Forum.dll is already installed in this folder.Please verify if
the "commands" in the FORUMDLLMANUAL are corrects.
C:\Program Files (x86)\MetaStock\MetaStock RT for XENITH\External Function DLLs
Ciao.