I need Adobe pro 7 to create pdf's but i need to open pdf's in IE7 in reader 9 but it keeps opening them in 7. Is there any way where i can default it to open in 9 instead of 7.
It's a known conflict and one of the many reasons it's not advised or supported to have both installed on the same machine.
You can try quitting out of Acrobat in task manager then start Reader before attempting to open a PDF.
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