Unable to install the template via the Extention Manager

Hi everyone!

I just downloaded the latest version of the template but when I try to install it Joomla says that there is an installed template that uses the directory "Installation". So I cannot install the template.

How can I fix this?

Joomla 2.5.6 (upgraded from 1.5 with jUpgrade)

Thank you

If you already have joomla 1.5 The Worlds News II installed and then upgraded to joomla 2.5.

You already have following folder
templates/gk_twn2/

Simply download latest joomla 2.5 version of your template and extract / overwrite to above folder.

Or simply rename above folder to "gk_twn2_j1.5" and install latest version from joomla extensions.

See you around...