It's been mentioned, but I thought it'd be helpful to park here too for Windows users:
Use WinRAR to view/change Zip files!
When I first used WinZip to change things in Data.zip, things got screwy (blanked out top menu screen, non-responsive Menu button)...
When I used WinRAR for the exact same mod, no problems...
WinRAR's evaluation version can be downloaded from here for free:
http://www.rarlab.com/
Despite some bugginess, fixing/optimizing the AVICs is def improving on the best a/v-comm/nav mobile unit out there - Happy modding!
(And MANY thanks to those here that make it possi