Theme Horse

Getting error messages all over our dashboard, downloaded the new theme update from Attitude Pro 1.2 to 1.7 and keep getting the following message:

Installing Theme from uploaded file: attitude-pro.1.7.zip

Unpacking the package…

Installing the theme…

Destination folder already exists. /home/walker/public_html/wp-content/themes/attitude-pro/

Theme install failed.

Can someone provide me with the solution?

Cheers and Thanks

Mike.