It may be the file association problem.

来源: 于 2006-08-23 09:08:45 [旧帖] [给我悄悄话] 本文已被阅读：次

that means the default application to open .ppt file is set to be the viewer.

Go to Win Explorer, Tools -> folder options -> file types -> type "ppt" -> click change -> point to PPT