When you try to install the Microsoft Visual Studio 2005 Service Pack 1 on Microsoft Windows 7 appears the following error message:
The upgrade 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.
in Italian:
Impossibile installare la patch di aggiornamento perché il programma da aggiornare manca oppure la patch è progettata per aggiornare una versione differente di tale programma. Assicurarsi che il programma da aggiornare sia disponibile nel computer in uso e che la versione della patch di aggiornamento sia corretta.
Solution:
Download and install SP1 from the following link:
Microsoft® Visual Studio® 2005 Team Suite Service Pack 1
Update:
After you can install the following update:
Visual Studio 2005 Service Pack 1 Update for Windows Vista (This update also applies to Windows 7, Windows Server 2008, and Windows Server 2008 R2)
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