Description of Problem:

My English is poor,I try to show the instance .
My system is RedHat Linux 8.0,kernel 2.4.18-14. I 
installed the Acrobat 5.07 in my computer 
successfully.I want to add Acrobat reader to the 
menu,best default program,when I chose "open 
mode "->"edit",a bug happened.So my operation 
failed.

Steps to reproduce the problem:
1.download the install file from  
http://download.adobe.com/pub/adobe/acrobatreader/
unix/5.x/linux-507.tar.gz
2. install the Acrobat 5.07
3. edit the right key menu
4. bug happened

Actual Results:
failure.

Expected Results:

I want to choose the Acrobat reader as default 
program to view a pdf file.

How often does this happen? 
I tried some times,but failed every time.

Additional Information:

below is the computer information .


from_gnome_segv=1

Backtrace was generated from '/usr/bin/gnome-file-
types-properties'

(no debugging symbols found)...(no debugging 
symbols found)...[New Thread 8192 (LWP 13010)]

0x420ae169 in wait4 () from /lib/i686/libc.so.6

+ Trace 38327