Import Problems Help me please!

Hello.

I have my blog hosting in awardspace.com (http://reflejados.awardspace.com). I want to import the posts,comments, categories, etc. I go to Manage> Export and i download the file with the backup.

The problem is when i import the file in my new hosting, appear some post, but not appear ALL posts i have.

Please help me, i need have all the posts en my new blog.

I have the WordPress Version 2.3.1.