Does flashplugin still use mmc.cfg?

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http://unix.stackexchange.com – I was poking around the flashplugin of Adobe for Linux trying to get the Hardware Acceleration working (which my current configuration supports). Then I found several forums/blogs that recommend create/modify some or other value in the /etc/adobe/mmc.cfg, which didn't help at all for my current situation. This leads me to think, does the flash non-free plugin of Adobe for Linux read this file for configuration? There is another way to modify flash configuration without the traditional GUI's (flash-player-properties doesn't help in the HWA topic and I am already tired of ticking the box Right- (HowTos)