Shutdown Errors

[lwd64]

Everytime i shut down my pc i receive the following error -taskmon has caused an error in unknown taskmon will now close-sometime another error message comes up after that -mprexe has caused an error in unkown-any ideas?

[Toppro]

<a href="http://support.microsoft.com/support/kb/articles/Q187/5/25.ASP" target="_blank">http://support.microsoft.com/support/kb/articles/Q187/5/25.ASP</a>
<a href="http://support.microsoft.com/support/kb/articles/Q197/7/91.ASP" target="_blank">http://support.microsoft.com/support/kb/articles/Q197/7/91.ASP</a>