To check in advance whether the Microsoft .NET Framework 2.0 is installed on your machine, you can view the installation status in the Administrative Tools Applet.
Click: Start > Settings > Control Panel > Administrative Tools
You should see a screen similar to the following:
Vista: Check for .NET Installation
.NET System Requirements & Installation
SQL Server 2005 System Requirements & Installation
SQL Server Management Studio Installation
Download Tradar Required Packages Installer