Programs That Won’t Work With Windows Vista SP1
Microsoft has compiled some of the programs that may lose functionality for those users who are using Windows Vista with SP1 installed. This list by Microsoft also provides some of the links where possible fixes and supported versions are available. Microsoft also states that this is not a comprehensive list. It also states:
INTRODUCTION
Service Pack 1 for Windows Vista is an important update for Windows Vista. Windows Vista Service Pack 1 (SP1) contains many security, reliability, and feature updates for Windows Vista. A program may experience a loss of functionality after you install Windows Vista SP1. However, most programs will continue to work as expected after you install Windows Vista SP1.
This article lists programs that have been reported to experience a loss of functionality when they are installed on a Windows Vista SP1-based computer.
I’m sure there will be more programs added once SP1 becomes more widely distributed.
See entire listing here.

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