Console says:
04.03.10 15:43:20 com.apple.launchd.peruser.502[161] ([0x0-0x1b01b].org.eclipse.eclipse[616]) posix_spawn("/Applications/Wowza IDE 2.0.0/Wowza IDE 2.app/Contents/MacOS/Wowza IDE 2", ...): Permission denied
04.03.10 15:43:20 com.apple.launchd.peruser.502[161] ([0x0-0x1b01b].org.eclipse.eclipse[616]) Exited with exit code: 1
But permission is read/write in all files.