I have followed the instruction to install fc5beta1
under Mathematica 5.0 (I have a Mac OsX panther)
Everything seems to work fine until I try
Then I read:
DumpGet::bgbf: File /Applications/Mathematica \
loaded, it is corrupted or is written on a different machine.
This archive was generated by hypermail 2b29 : 04/26/18-09:40:01 AM Z CEST