Fail setup Visual Studio 2005 Beta 2

I want to be a part of the experiance of Visual Basic 2005.
When i start the setup from my DvD he start to copy files to the system and checks something.
After that he responds with the error: A failled installation has been detected. Press Ok to uninstall the product. Then retry the installation.

Ok, so far i deleted the following components marked with **:

1. MSDN Product Documentation
2. Microsoft Visual Studio Tools for Office System 2005 Runtime Beta 2
3. Microsoft Device Emulator 1.0 Beta 2
4. Microsoft .NET Compact Framework 2.0 Beta 2 **
5. Microsoft SQL Mobile 2005 Development Tools
6. Microsoft Visual J# Redistributable Package 2.0 Beta 2 **
7. Microsoft Visual J# Language Package 2.0 Beta 2
8. MSXML 6.0 Parser and SDK **
9. Microsoft Data Access Components 2.8 SP1 (Windows 2000 only)