Error messages!!

[Sami]

Hi,
I just started using Windows XP a few days ago. Suddenlly
I got 2 error messages that keep coming on my screen each
time I start my computer, They have the following
messages:
Runtime error 5 at 0000464B and
Runtime error 5 at 00004653
Any help to solve and delete these messages.
Thank you.
Sami