Failed installing 'tomcat 7' service

It appears to be a permission issue, where are you running the installation from, I had this issue when trying to install from "C:\tomcat", I ended up installing the MSI which runs ok.

Finally, it was easier.

First, try to remove any other Tomcat service already installed service.bat remove.

Second, install the service service.bat install and voilà!

Thanks for your time.