Symptoms Visual Studio 2010 and/or .NET Framework 4.0 setup fails with 1603 error code or blocks running in Program Compatibility Mode. Windows Program Compatibility Assistant indicates that Visual Studio setup might not have installed correctly...

Run the collect tool to collect and gather logs. I use Windows Live TM SkyDrive to post my logs, applications, etc. It is free and easy to use. I've seen others use: http://www.file-upload.net/ Then send me a link to the logs. aaronru(a)microsoft_dot_com

Visual Studio 2010 Beta2 Forum: http://social.msdn.microsoft.com/Forums/en-US/setupprerelease/threads Visual Studio 2010 Beta 2 Readme: http://go.microsoft.com/fwlink/?LinkID=166199 Visual Studio 2010 Beta 2 Installing and maintaining Visual...

If you evaluated Visual Studio 2010 Beta 1, you will be happy to hear that no reformatting is required. Additionally, a simple path exists to upgrade Beta2 on the same machine. It involves uninstalling your Visual Studio 2010 Beta1 product and then installing...