Thank you very much everyone.

I finally decided to install my db in a remote server using regular SQL. Now I'm connected and working!!

The issue was obviously with SQL Express

Thanks u...

Yes I can connect using Management Studio Express using Windows Auth or SQL Auth usinh the sa user.

I have both Authentications, windows and SQL

At this point what I need is...

Thanks lot man!!!!

You got it!!!!

Thanks a lot...

I will try it and let u know.