xsl extension isn't installed error

How to fix this xsl extension isn't installed error, it comes in installation time. Due to this i can't do anything.

I am using boonex dolphin 7 trial version and godaddy (cpanel) hosting.

I clicked on troubleshooting but no specific question/answer can't show.

error on screen :

xsl extension isn't installed. Warning! Dolphin can't work properly without it. 
Please go to the 
Dolphin Troubleshooter 
and solve the problem.

please help me out from this.

Contact your host, they will enable the extension for you.

xsl extension isn't installed

As said above, you need to contact your host to have it installed.