On Thursday, Jul 31, 2003, at 11:43 Canada/Eastern, TheMacintoshLady wrote: > Can OS X be infected by these .pif, .exe, or .scr files that are sent > by > PC users? No. Although, presumably, a Windows install running under Virtual PC could. Even with Outlook Express Mac under OS 9, e-mail viruses don't affect Mac users. > As I said these are .pif, .scr, and .exe files which are PC programs. .exe files are programmes; .pif and .scr aren't; not that it matters to Mac users, anyway. > she updated and ran her virus checker If an e-mail was sent from her computer without her knowing about it, the PC is still infected. f