Windows 7 and MAS 90/200
an update
Windows 7 compatibility testing is currently in process for Sage MAS 90 and 200 versions 4.3 and 4.4, and Extended Enterprise Suite versions 1.3 and 1.4. We expect compatibility information to be published by the end of March 2010.
Versions older than 4.3 (1.3 for EES) will not be supported on Windows 7.