If you do need to post back, you may also want to provide more context around your problem so we can understand exactly what you're doing. For example:
Are you trying to do a hard drive install of Backtrack 4 (the use of lilo would seem to suggest this)? Is the "main problem" that you fixed related to booting BackTrack from a hard drive?
What functionality is missing when you try and boot BackTrack 4? Im confused here because in one of your posts you stated: