火绒5.0一直弹6.0升级，且无法永久关闭。
[tip type="green"]
Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\SOFTWARE\Huorong\CrossUpgrade]
"NeverTip"=dword:00000001
"TipLastTime"=hex(b):80,7a,a3,f2,00,00,00,00
"TipAgainTime"=hex(b):00,b3,a4,f2,00,00,00,00
[/tip]