Diablo® III

Need help changing settings

Hi all,

I am trying to change some settings to improve my game performance. I am going into library>application support>blizzard>diablo 3>d3prefs.txt to change the hardware class and trilinear filtering.

I successfully save the .txt file and have checked that even after the blizzard patcher loads it has not changed, but once I get in game the settings have reverted to what they were before I changed them.

Anyone know how I can make permanent changes to this file, or is there another file that I am supposed to make these changes in?

Any help is appreciated.
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try going to the file and changing it to read-only, worked for me
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