REGEDIT4
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\6to4]
"ImagePath"="%SystemRoot%\\System32\\svchost.exe -k netsvcs"

[HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\6to4\Parameters]
"ServiceDll"="%SystemRoot%\\System32\\6to4svc.dll"
"Type"=0x120