404 - The memcache extension is not available (error page)

I am occasionally receiving the error page: "404 - The memcache extension is not available" on our site (Joomla 1.5.3, Chronoforms 2.5, no other extensions installed, cache settings in global configuration set to NO, memcache NOT installed on server). I sure could be wrong but I think it started appearing after installing Chronoforms. Anyone know if it is Chronoforms related and/or how to fix?

Hi, never seen this and the chronoforms code does nothing with cache, if you know how to generate the error then try with chronoforms uninstalled!

Cheers
Max