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Thanks for asking.
Chances are you're using the default mapping for your Keyspan Front Row Remote - where Mute, Eject and Sleep are mapped globally.
All buttons that are mapped under "Global Mapping" (in Prefs > Global Mapping) are not available for individual mapping elsewhere. If you want to map them individually depending on context, you'd need to remove the mapped actions for these buttons at "Global Mapping".
Also, whenever I try to change anything in the Global Mapping, the RemoteBuddy preferences window stops responding. Can only drag it around, but nothing else.
I tried, but can't reproduce this. To investigate further on what is happening, I'll need more information from you:
1) When the hang occurs, please start /Applications/Utilities/Activity Monitor.app (AM), select "Remote Buddy" from the list, then select "Analyze process" from AM's toolbar or AM's menu. Please cut and paste the result or send it to me.
2) To get an idea of what your machine looks like, please send me a system profile. Therefore, right after the problem occurred, launch /Applications/Utilities/System Profiler.app (SP), then select "Save as.." from SP's menu. Please choose the XML format and send me the file you save.
Please send both to info ~at~ iospirit ~dot~ c o m. I'm looking forward to look into it.
Thanks in advance.
Best regards,
Felix Schwarz