Are old keys of Firefox, for example, necessary in the registry of Windows, Firefox 1.0.6 or should updates have deleted old keys?

I have old keys in my Windows XP registry that goes for eons. Leave them alone? If any upgrade removed 'old'? They appear in HKEY_LOCAL_MACHINE Management\ARP Cache.

You can try to remove the ARP cache.

  • netsh interface ip delete arpcache

Tags: Firefox

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