Readable - Wordpress (CMS) - Christmas Edition!

Hello!

I am fairly new to Wordpress and just purchase the Readable – Wordpress (CMS) – Christmas Edition!

I LOVE THE LOOK OF THIS there, but every time I upload, it breaks my Wordpress theme to the point where I cannot even log in.

I had the co. that hosts my site try to install it and the same thing kept happening; all of the instructions were followed.

Does this happen often? I wonder if there is a common glitch I should look for??

I sent an email to the Designer, HEADSET . I hope he can help

Happy holidays all. Judith Dudleu