Problem with adding SDK components

[BenDC]

Hello,

I'm trying to install everything I need to start to learn developing android applications. I have followed the instructions on the android website but I'm having troubles with adding SDK compononts. To do this I follow these instructions:

http://developer.android.com/sdk/adding-components.html

•If you are developing in Eclipse with ADT, you can select Window >Android SDK and AVD Manager.

When a new platform version, add-on, set of development tools or documentation becomes available, you can quickly install them into your existing Android SDK:

1.Select Available Components in the left panel. This will reveal all components currently available for download.
2.Select the components you'd like to install and click Install Selected.
3.Verify and accept the components you want and click Install Accepted. The components will now be installed into your existing Android SDK directories.
New platforms are automatically saved into the <sdk>/platforms/ directory of your SDK; new add-ons are saved in the <sdk>/add-ons/ directory; and new documentation is saved in the existing <sdk>/docs/ directory (old docs are replaced).

Tip: Use the "Display updates only" checkbox to show only the components you do not have.

However, I keep getting the same message when I use the Android SDK and AVD Manager in Eclipse:

"Failed to find temp directory in ...

screenshot

I work on Windows 7 x64, I have installed Eclipse Galileo and the android SDK, and i have added the path of the sdk directory to the environment variables. Also when I try to run the SDK Setup.exe, it just doesn't do anything.

Thank you for helping me,

BenDC