[ubuntu] Not saving settings?

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http://ubuntuforums.org – I've notcied recently that when I change settings, such as the setting to have my microphone amplifide, after a while it reverts back to the default and is no longer amplified. This happens in some programs as well, but I take that to be a fault in the program itself. If anyone can tell me how to fix this I'd appreciate it. (Hardware)