SQL Server Error-Fix-failed to install and configure assemblies (Microsoft.sqlserver.MSMQtask.dll in the COM+)

We plan to upgrade the sql server 2005 x32 bit to x64 bit. Before starting, we wanted to uninstall the existing version of the sql server and then plan to start the installation of new sql server version in 64 bit on existing hardware. We checked all perquisites before applying new version of sql server like ...