16 11:23:52 MAC com.apple.launchd.peruser.2[186]                         ([0x0-0x492492].com.autodesk.Alias[7990]): Exited with code: 255 Jan 16 11:24:42 MAC LMU[7997]: exiting and supressing hooks: 0 Clue #3 If you use the Terminal and use the command:  ls-la, you will notice that there are some  @ symbols for some files and folders.   It is an extended attribute  in