SECURITIES AND EXCHANGE COMMISSION
                             Washington, D. C. 20549

                                  SCHEDULE 13G
                                  Amendment #1

                  Under the Securities and Exchange Act of 1934

                                   McAfee Inc.
                                (Name of Issuer)

                                  Common Stock
                         (Title of Class of Securities)

                                    579064106
                                 (CUSIP Number)

                                December 31, 2009
             (Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule
is filed:

     This Schedule is filed pursuant to Rule 13d-1(b)

The information required in the remainder of this cover page (except any items
to which the form provides a cross-reference) shall not be deemed to be "filed"
for the purpose of Section 18 of the Securities Exchange Act of 1934 ("Act") or
otherwise subject to the liabilities of that section of the Act but shall be
subject to all other provisions of the Act.



CUSIP NO. 579064106

--------------------------------------------------------------------------------
1)   Name of Reporting Person
     Ameriprise Financial, Inc.

     S.S. or I.R.S. Identification No. of Above Person
     IRS No. 13-3180631
--------------------------------------------------------------------------------
2)   Check the Appropriate Box if a Member of a Group

     (a) [ ]
     (b) [X]*

*    This filing describes the reporting person's relationship with other
     persons, but the reporting person does not affirm the existence of a group.
--------------------------------------------------------------------------------
3)   SEC Use Only

--------------------------------------------------------------------------------
4)   Citizenship or Place of Organization

     Delaware
--------------------------------------------------------------------------------
               5)   Sole Voting Power

                    -0-
               -----------------------------------------------------------------
  NUMBER OF    6)   Shared Voting Power
   SHARES
BENEFICIALLY        8,288
  OWNED BY     -----------------------------------------------------------------
    EACH       7)   Sole Dispositive Power
  REPORTING
   PERSON           -0-
    WITH       -----------------------------------------------------------------
               8)   Shared Dispositive Power

                    1,274,192
--------------------------------------------------------------------------------
9)   Aggregate Amount Beneficially Owned by Each Reporting Person

     1,274,192
--------------------------------------------------------------------------------
10)  Check if the Aggregate Amount in Row (9) Excludes Certain Shares

     Not Applicable
--------------------------------------------------------------------------------
11)  Percent of Class Represented by Amount In Row (9)

     0.81%
--------------------------------------------------------------------------------
12)  Type of Reporting Person

     CO
--------------------------------------------------------------------------------



CUSIP NO. 579064106

--------------------------------------------------------------------------------
1)   Name of Reporting Person
     RiverSource Investments, LLC

     S.S. or I.R.S. Identification No. of Above Person
     IRS No. 41-1533211
--------------------------------------------------------------------------------
2)   Check the Appropriate Box if a Member of a Group

     (a) [ ]
     (b) [X]*

*    This filing describes the reporting person's relationship with other
     persons, but the reporting person does not affirm the existence of a group.
--------------------------------------------------------------------------------
3)   SEC Use Only

--------------------------------------------------------------------------------
4)   Citizenship or Place of Organization

     Minnesota
--------------------------------------------------------------------------------
               5)   Sole Voting Power

                    -0-
               -----------------------------------------------------------------
  NUMBER OF    6)   Shared Voting Power
   SHARES
BENEFICIALLY        8,288
  OWNED BY     -----------------------------------------------------------------
    EACH       7)   Sole Dispositive Power
  REPORTING
   PERSON           -0-
    WITH       -----------------------------------------------------------------
               8)   Shared Dispositive Power

                    1,274,192
--------------------------------------------------------------------------------
9)   Aggregate Amount Beneficially Owned by Each Reporting Person

     1,274,192
--------------------------------------------------------------------------------
10)  Check if the Aggregate Amount in Row (9) Excludes Certain Shares

     Not Applicable
--------------------------------------------------------------------------------
11)  Percent of Class Represented by Amount In Row (9)

     0.81%
--------------------------------------------------------------------------------
12)  Type of Reporting Person

     IA
--------------------------------------------------------------------------------



1(a) Name of Issuer:                         McAfee Inc.

1(b) Address of Issuer's Principal           3965 Freedom Circle
     Executive Offices:                      Santa Clara, CA 95054

2(a) Name of Person Filing:                  (a) Ameriprise Financial, Inc.
                                                 ("AFI")

                                             (b) RiverSource Investments, LLC
                                                 ("RvS")

2(b) Address of Principal Business Office:   c/o Ameriprise Financial, Inc.
                                             145 Ameriprise Financial Center
                                             Minneapolis, MN 55474

2(c) Citizenship:                            (a) Delaware

                                             (b) Minnesota

2(d) Title of Class of Securities:           Common Stock

2(e) Cusip Number:                           579064106

3    Information if statement is filed pursuant to Rules 13d-1(b) or 13d-2(b):

     (a)  Ameriprise Financial, Inc.

          A parent holding company in accordance with Rule 13d-1(b)(1)(ii)(G).
          (Note: See Item 7)

     (b)  RiverSource Investments, LLC

          An investment adviser in accordance with Rule 13d-1(b)(1)(ii)(E)

4    Incorporated by reference to Items (5)-(9) and (11) of the cover page
     pertaining to each reporting person.

     AFI, as the parent company of RvS, may be deemed to beneficially own the
     shares reported herein by RvS. Accordingly, the shares reported herein by
     AFI include those shares separately reported herein by RvS.

     Each of Ameriprise Financial, Inc. and RiverSource Investments, LLC,
     disclaims beneficial ownership of any shares reported on this Schedule.

5    Ownership of 5% or Less of a Class:



     If this statement is being filed to report the fact as of the date hereof
     the reporting person has ceased to be the beneficial owner of more than
     five percent of the class of securities, check the following (X).

6    Ownership of more than 5% on Behalf of Another Person: Not Applicable

7    Identification and Classification of the Subsidiary Which Acquired the
     Security Being Reported on by the Parent Holding Company:

     AFI: See Exhibit I

8    Identification and Classification of Members of the Group:

                                 Not Applicable

9    Notice of Dissolution of Group:

                                 Not Applicable

10   Certification:

          By signing below I certify that, to the best of my knowledge and
     belief, the securities referred to above were acquired in the ordinary
     course of business and were not acquired for the purpose of and do not have
     the effect of changing or influencing the control of the issuer of such
     securities and were not acquired in connection with or as a participant in
     any transaction having such purposes or effect.

Signature

          After reasonable inquiry and to the best of my knowledge and belief, I
     certify that the information set forth in this statement is true, complete
     and correct.

Dated: February 10, 2010

                                        Ameriprise Financial, Inc.


                                        By /s/ Wade M. Voigt
                                           -------------------------------------
                                        Name: Wade M. Voigt
                                        Title: Director - Fund Administration

                                        Contact Information
                                           Wade M. Voigt
                                           Director - Fund Administration
                                           Telephone: (612) 671-5682



                                  Exhibit Index

Exhibit I    Identification and Classification of the Subsidiary which Acquired
             the Security Being Reported on by the Parent Holding Company.

Exhibit II   Joint Filing Agreement



                                    Exhibit I

                                       to

                                  Schedule 13G

Ameriprise Financial, Inc., a Delaware Corporation, is a parent holding company.
The classification and identity of the relevant subsidiaries is as follows:

Investment Adviser - RiverSource Investments, LLC, is investment adviser
registered under section 203 of the Investment Advisers Act of 1940.



                                   Exhibit II

                                       to

                                  Schedule 13G

                             Joint Filing Agreement

The undersigned persons agree and consent to the joint filing on their behalf of
this Schedule 13G dated February 10, 2010 in connection with their beneficial
ownership of McAfee Inc. RiverSource Investments, LLC authorizes Ameriprise
Financial, Inc. to execute the Schedule 13G to which this Exhibit is attached
and make any necessary amendments thereto.

Ameriprise Financial, Inc.


By: /s/ Wade M. Voigt
    ------------------------------------
    Wade M. Voigt
    Director - Fund Administration


RiverSource Investments, LLC


By: /s/ Amy Johnson
    ------------------------------------
    Amy Johnson
    Chief Administrative Officer