I know I've had problems with my fps before and i thought i would share this with everyone. I did searches and i don't believe anyone has posted this but if I missed it delete this post.
This is an easy way to increase your fps with wow and all other games using Windows XP or Vista. Enjoy!
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STEP ONE: Go to your game directory (ex. program files/world of warcraft/) then right click and select new-text document.
STEP TWO: name the text-document "wow.bat" (if it doesn't turn into a .bat file you may need to use notepad and save as "wow.bat".
STEP THREE: Right click the file and select EDIT, then type in the following:
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@echo off
cd /d "Path to folder"
start /high wow.exe
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STEP FOUR: Save the file and exit, then right click on the file and click send to desktop. Click on the file in your desktop and Enjoy your new fps
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This increases your fps by usually 5-15!
Video link for easier viewing: [ame=http://youtube.com/watch?v=plKP1jAK5f8]YouTube - How to Make Your Games Run Better[/ame]
NOTE: I do not take credit for this i found it and thought i would share it with the mmowned community.