What do you have version a Firefox...? in Me with Latest Nightly Version (Native on Windows XP x64)

What do you have version a Firefox...? in Me with Latest Nightly Version (Native on Windows XP x64) is works around... Maybe would be deletes Data browser in example: C:\Documents and Settings\Administrator\Application Data [XP] or Would be Download latest version... ftp://ftp.mozilla.org/pub/firefox/ (Release for 32bit: v22 [v12: for Windows 2000]/for 64bit: Nightly - win64)