Unable to upgrade Visual Studio 2008 Trial on Windows 7
Evaluation versions of Visual Studio 2008 may not provide license upgrade option on some computers running Windows 7.
The following fix (KB 979576) will re-enable the Upgrade option in maintenance mode of Visual Studio 2008 SP1 Setup (Professional and Team Suite editions).
Users running RTM version of Visual Studio 2008 must first upgrade the product to Service Pack 1 release from
The fix addresses the Upgrade issue for the product setup launched from Windows Add/Remove Programs dialog.
Visual Studio 2008 setup launched from installation media remains unaffected.