faroZ06
macrumors 68040
Security updates. While Microsoft still issues them for Windows XP, Apple doesn't for anything before 10.6.
Connecting a 10.4 system to the Internet is a security risk with all the left over vulnerabilities that Apple hasn't patched in that version, but in later versions.
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If Mac viruses were to come about in the future, I doubt people would go and make them for Tiger. If anything, they'd be incompatible with my Motorola processor 😀
