Installing Higher Versions of existing Windows Service in VS 2008

I am installing a Windows Service on my Desktop with a particular version. Then I revise my service and make some changes in the service.I upgrade my installer version.I also make the property RemovePreviousVersion true.When I start to Install the upgraded Windows Service, I get the below mentioned Error.

Error: 
The specified service already exists .
Stack Trace : At System.Process.ServiceInstaller.Install(IDi开发者_高级运维ctionary)at System.Configuration.Install.Installer.Install at WinDbSync1.Project.Install.