Symantec has grappled with the same issue of whether or not to use StuffIt Expander 5.x that I confronted last week. They have chosen to use the 5.x technology, which means that you will need StuffIt Expander 5.x to decompress their March 1999 virus definitions (just released). (Thanks, Monty Solomon.)
Mac running slow?
Boost your computer with these five useful tips that will clean up the clutter.