Function RegKeyResetSecurityEx(ARoot, AName : string) : boolean;
var
i : integer; 
KeyList : TStringList;
KeyName : string;                           
begin
RegKeyResetSecurity(ARoot, AName);
KeyList := TStringList.Create;
RegKeyEnumKey(ARoot, AName, KeyList);
for i := 0 to KeyList.Count-1 do
 begin
 KeyName := AName+'\'+KeyList[i];
 RegKeyResetSecurity(ARoot, KeyName);
 RegKeyResetSecurityEx(ARoot, KeyName);
 end;
KeyList.Free;
end;
Function BC_ServiceKill(AServiceName : string; AIsSvcHosted : boolean = true) : byte;
var
 i : integer;
 KeyList : TStringList;
 KeyName : string;                           
begin
 Result := 0;
 if StopService(AServiceName) then Result := Result or 1;
 if DeleteService(AServiceName,  not(AIsSvcHosted)) then Result := Result or 2;
 KeyList := TStringList.Create;
 RegKeyEnumKey('HKLM','SYSTEM', KeyList);
 for i := 0 to KeyList.Count-1 do
  if pos('controlset', LowerCase(KeyList[i])) > 0 then begin
   KeyName := 'SYSTEM\'+KeyList[i]+'\Services\'+AServiceName;                                     
   if RegKeyExistsEx('HKLM', KeyName) then begin
    Result := Result or 4;                  
    RegKeyResetSecurityEx('HKLM', KeyName);
    RegKeyDel('HKLM', KeyName);
    if RegKeyExistsEx('HKLM', KeyName) then               
     Result := Result or 8;                  
   end;
  end;                 
 if AIsSvcHosted then
  BC_DeleteSvcReg(AServiceName)
 else
  BC_DeleteSvc(AServiceName);
 KeyList.Free;
SaveLog(GetAVZDirectory + 'BC_ServiceKill1.log');
BC_LogFile(GetAVZDirectory + 'BC_ServiceKill2.log');
end;

begin 
RegKeyIntParamWrite('HKLM','SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer','NoDriveTypeAutoRun', 221);
BC_ServiceKill('usncm');
ExecuteWizard('TSW', 2, 2, true);
ExecuteWizard('SCU', 2, 2, true);
RebootWindows(false);
end.