Quake3 misses amigainput.library. So copy it's settings/prefs/library files from update4 to make it work. Others are MUI apps, and maybe you should install all os4native mui class. I suggest to check all of them.
A1-XE/G4@933+Radeon7500/64MB, A1200BPPC+BVision AmigaOS4 on both of course.
IMHO you aren't going to lose that time, because you can start your applications during the addnetinterface waiting for the dynamic IP address. If an application crashes, it's a bug in the application which must be fixed.
A1-XE/G4@933+Radeon7500/64MB, A1200BPPC+BVision AmigaOS4 on both of course.
Maybe you could find the exact line if you'd use addr2line on a debug (at least not stripped) version of tunenet binary. Like: addr2line -e tunenet.debug 0x38BFC
And it will show which line does it crashes. Good luck!