Could you explain some of the things you are experiencing that do not work?
In the ENVI help there are links to the Exelis VIS YouTube page that have several videos that may help explain how to work in the new ENVI 5 interface that you might find useful:
http://www.youtube.com/wa...q0w9-5U&feature=plcp
http://www.youtube.com/watch?v=waVSer4Sbss&feature=relmfu
http://www.youtube.com/watch?v=cKBk3RIlwyE&feature=relmfu