Mail Ichat Address Book Problems

I'm having some strange problems at the moment and hoped that someone would be able to shed some light on the matter... ...

ne they all open and were fine. I installed mac os x 10.5 the next day and it took a few tries to install. When it was done I installed ilife. I have had so many problems with my computer ever since I installed those programs. My ichat, iphoto, mail, address book, and ical won't open. I get the message " the application.... ...

Great condition, a few small scratches on bottom, small scuff on top, but nothing affecting performance! This laptop looks clean and like new, no screen problems or hardware woes. Still under warranty for just a while longer. ...

In a former life, I owned a VIAO PCG C1. http://www.members.optusnet.com.au/~kwimalar/vaio.gif In a lot of ways, it was a beautiful machine: Looked great Weighed nothing (even with the additional 19 hour battery) Built in web cam (which I never used, because Sony's software was crap)

I can't really use Mail.app, Safari, iCal, or Address Book at work, though I'd VERY mich like to use them. My company uses Exchange for all these things, and only allow MAPI. ...

t need to a book to use half of the features their computer provides! ...

I ran Disk Utility, DiskWarrior and Norton's with no change...Then I tried the 10.2 upgrade route and the problems persisted... ...