I have a film I have downloaded that is in Windows Media format but I want to convert it to standard video format, is this possible? if so how?

Try looking at (amongst others)

http://www.jakeludington.com/ask_jake/20050911_convert_wmv_to_avi.html

If you're trying to remove the DRM it probably won't work but u2u me and I'll let you know how

Thanks for that, no DRM to remove so will give it a try.