It endless read my drive A ?

I download VB Express 2005 today and install immediate.

And It will install SQL Express also, It's Ok. but there is a strange thing happened

each time when I open

SQL 2005 CTP//Configuration Tools//SQL Configuration Manger
it endless read my drive A,god, and you know it will make a rebarbative sound.

[320 byte] By [HoneyChris] at [2007-12-16]