are you using the new Voodoo kernel or the CPU=1 flag? with a high-cpu using Application, it might be the timing issues between cores causing a segmentation fault.

Also, with the patcher app, this commonly is caused by people not selecting a folder to place the patch in when it is first ran. if you are working on something else, this folder selection box gets skipped and is then inoperable. You need to find the .plist file that contains this value and delete it, or use App Zapper and it will find the file for you and then reinstall the app.

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