My preowned computer is autofilling with previous owner info & I want to completely delete this!
I've followed what I found on your forums and it doesn't work.
I've followed what I found on your forums and it doesn't work.
ప్రత్యుత్తరాలన్నీ (2)
Find the old user profile and remove it.
Create a new Profile for Firefox.
https://support.mozilla.org/en-US/kb/profile-manager-create-and-remove-firefox-profiles