posted by Jack10 5 years ago
Are old Firefox keys, e.g., Firefox 1.0.6 needed in the Windows Registry, or should updates have deleted old keys?

I have old keys in my XP Windows Registry going back for eons. Leave them alone? Should any upgrade have deleted old ones? They appear in HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\App Management\ARP Cache.

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