You seeing this page instead of aMuleWeb page because valid template has not been found.
This means that there's problem with aMule installation 
  - Before installation please ensure that you uninstalled previous versions of amule
- If you installing by recompiling from source, check configuration and run "make install" again 
- If you installing binary package, you may need to contact package maintainer 
For more information please visit
aMule main site aMule forum