Folders Keep Opening In New Window

Everytime i click on a folder it opens in a new window all the time i have changed the folder options but still get the problem

I found another thread with this problem but i get a error when running regsvr32

Thanks for your help .

What windows? XP? Vista?

I am using Windows XP Pro.

I think this may help. My first time trying to help out a fellow comp friend. I hope I have this correct.

http://support.microsoft.com/default.aspx?kbid=813711

Sorry Antonio_Montana , i did as written in this link but still no any avail.

thanks for your help.
Any other solution please reply.

Exactly what error do you get when running regsvr32 please?