Hi and help

Our house had a power failure last night. This morning I tried to launch 
Outlook Express 5 and got 

"An error occurred while launching. The end of file was reached."

I tried shutting it down and relaunching, then repeated with option, command-
option etc., tried earlier versions of the program, downloaded the latest 
version. But the same message keeps appearing. Any solutions welcomed as 
I am quite depended on this program (and I have searched several web sites 
for assistance but have been unable to locate anything on my situation).

Furthermore at the beginning of this year I installed Entourage 2001 from 
Office. It worked for about a week then fell over with an error message I could 
not find in the documentation or on the net. It's never worked since - even 
after 
removing all files containing reference to the program and reinstalling. But 
with Outlook Express now down I have tried to install it again - again 
unsuccessful, but now the error number is 4359 (which if memory serves me 
correctly is different then the original error number - right now I am 
exhausted 
and do not want to launch into another fruitless search for the answer). I 
really 
want to relaunch Outlook Express but any help on Entourage would also be 
appreciated


Regards Joe