Are you having trouble getting RULA to work?  The problem is almost certainly about the handling of "cookies".  RULA uses cookies to manage the scoring process so, if you don't "enable cookies", the scoring system can not function.

You can configure your browser to allow all cookies from www.rula.co.uk and the problem should be solved.

The three most popular Internet Browsers are listed below.  Select one for further assistance.

If you use a more obscure browser, the instructions for these popular packages should give you a good idea how to configure your own.