Upgraded from 512 MB (unified) RAM to 2 1GB sticks... numerous issues.

Hello - I've had my Macbook Pro for about a year and I finally decided to upgrade my RAM. I bought 2 1GB sticks of this RAM: http://www.newegg.com/Product/Product.aspx?Item=N82E16820146126
and since installation I have had numerous problems with several applications, from World of Warcraft to Camino.
Applications have quit unexpectedly, and several times I have received a message that "you need to restart your computer," which is only removable with a hard reset.
I believe my computer's issues may have something to do with the fact that one of my memory bays has been vacant for quite a while, because I tried installing only 1 1GB stick in the bottom bay, and have had no serious issues since.
Any help? I would like to be able to fully utilize both memory slots.
Thanks.
-Andrew

Hi Unifin,
Welcome to macbook forum.
try to repair permission
open application folder > utilities folder > disk utility > repair permission.
Try to reset PRAM
http://docs.info.apple.com/article.html?artnum=2238
Try to reset PMU.
http://docs.info.apple.com/article.html?artnum=303319
Also try to put one memory at a time on each bay and make sure it properly seated, from there you might find out which module that "defect" and you can ask for replacement.
Good Luck.

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This question was solved.
View Solution.

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Welcome to Apple Discussions!
Some heat may be possible just because the components are more dense. I would note the following:
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Upgraded from 512 MB (unified) RAM to 2 1GB sticks... numerous issues.

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