no offence but you should try to help yourself first, you are describing problems that have been addressed in the FAQ, so please read over it before doing anything else.
http://forums.ngemu.com/problems-games/65247-troubleshooting-faq-read-first-before-you-post.html
http://forums.ngemu.com/problems-games/65247-troubleshooting-faq-read-first-before-you-post.html