I am new to the windows phone development, and I am struggling to get everything installed related to the windows phone development tools. I had already MS Visual Studio 2010 Ultimate - ENU with SP1 installed on my machine (with Windows 7 Enterprise + Windows 7 SP1). I installed the Windows Phone SDK 7.1 (http://www.microsoft.com/en-us/download/details.aspx?id=27570), and then Windows Phone Developer Tools RTW successfully. But when I tried to open Visual Studio, it said that only a few Visual Studio components had Visual Studio SP1, and in order to open the Visual Studio I had to install the complete Visual Studio SP1. So then I reinstalled the Visual Studio SP1 and the Visual Studio started working fine.
Now I have MS Visual Studio 2010 Ultimate - ENU with SP1, Windows Phone SDK 7.1, and Windows Phone Developer Tools RTW installed on my machine, but when I try to install Windows Phone Developer Tools January 2011 Update, following error message is displayed:
"The update patch cannot be installed by the windows installer service because the program to be upgraded may be missing, or the upgrade patch may update a different version of the program. Verify that the program to be upgraded exists on your computer and that you have the correct upgrade patch."
I have verified everything. Does anyone know what am I doing wrong?
