ativar windows xp
25 Oct 2017
open Registry Editor (Start->Run then enter regedit and push OK button)
open the registry key at the location HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\WPAEvents
edit the OOBETimer key value and set its value to “ff d5 71 d6 8b 6a 8d 6f d5 33 93 fd”
right-click on the same key WPAEvents and select “Permissions”
select SYSTEM group/user and check all DENY options (we won’t allow XP to mess with us anymore, in fact we deny it firmly :o)