check this

From: shyam (joshittz@rediffmail.com)
Date: 09/04/02 

From: "shyam" <joshittz@rediffmail.com>
Date: Wed, 4 Sep 2002 02:59:32 -0700

hi pls. check the attachment the following error occurred
while installing yahoo messenger service. My C: is NTFS
and it was not even allowing me to complete the
installation as i m logon as admin.

A single suggestion will be helpfull in this case