Report Builder Fails to Launch
In SQL Server Reporting Services (SSRS)
2005 clicking the Report Builder option in Report Manager does not launch
Report Builder Tool.
You need dotnet framework 2.0 in your
client machine to launch Report Builder. Verify whether you have installed
dotnet framework 2.0. If it is already installed check the application log from
the event viewer and verify whether there are any errors relevant to the Report