Everythiome I try I get one of two messages, an error message that something is missing or a message taht my secuirty has blocked the download. Why and what should I do
I would recommend posting your inquiry into the following forums:
Adobe Reader - http://forums.adobe.com/community/adobe_reader_forums/adobe_reader
Installing Flash Player - http://forums.adobe.com/community/flashplayer/installing_flashplayer
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