Why is Windows doing this?

Can someone please help me?
Everytime I log onto Windows, it always brings up what is just about the most important folder on a PC, system32. This started happening about a month ago. How can I stop it doing so?
Cheers,
Rob.
Everytime I log onto Windows, it always brings up what is just about the most important folder on a PC, system32. This started happening about a month ago. How can I stop it doing so?
Cheers,
Rob.
