Lidwake = 0 doesn't work on Mountain Lion?

Hello,
I have encountered a strange issue after upgrading to Mountain Lion.
I have a 2012 MacBook Air (13") that came with Lion.  When it was running Lion, I had set lidwake = 0 so that the laptop would not wake up when I open the lid.  That was working perfectly in Lion.  But, after I upgraded to Mountain Lion, I noticed that lidwake = 0 has no affect at all.  Checking with pmset -g shows that the parameter still has the value of 0 for both AC and battery modes, but the laptop would wake up every time I open the lid.
I did a reinstall of Mountain Lion and nothing had changed.  BTW, I have FileVault enabled since Lion, so my guess is that shouldn't have any impact on the power management system.
In any case, I was wondering if anybody has seen this issue after upgrading to Mountain Lion, or if you have any suggestion on how to correct this?
Any assistance will be greatly appreciated.
Thank you!
Frank

I tore my hair out over the same issue. Based on SaitoLux's suggestion, I decided to try deleting and reinstalling the prefs panel for my Logitech mice (Logitech Control Center).
Success!
If you've got this problem and you have a non-Apple mouse driver installed, try deleting and reinstalling. Can't explain why it worked, but happy it did.

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