Document:

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                                                                    Exhibit 10.3

February 21, 2002

ING (U.S.) Capital LLC
1325 Avenue of the Americas
New York, NY 10019
Attention: Bob Fellows

MCM Capital Group, Inc.
5775 Roscoe Court
San Diego, California 92123
Attention: Carl C. Gregory, III

                                LETTER AGREEMENT

Ladies and Gentlemen:

         We refer (i) to that certain Purchase Agreement, dated as of February
21, 2002 (the "Purchase Agreement"), between MCM Capital Group, Inc., a Delaware
corporation (the "Company") and the purchasers identified therein as
"Purchasers" (the "Purchasers"), provid ing for the issuance and sale by the
Company to the Purchasers of shares of Convertible Preferred Stock (as such term
is defined in the Purchase Agreement) and (ii) to that certain Note Purchase
Agreement, dated as of January 12, 2000, between the Company and ING (U.S.)
Capital LLC (as amended through the date hereof, including, without limitation,
by Amendment No. 2, the "Note Agreement"), pursuant to which the Company has
issued certain notes (the "Notes") to the purchasers thereof.

         In connection with the execution of the Purchase Agreement and in order
to induce the holders of the Notes to enter into Amendment No. 2 to the Note
Agreement, the Purchasers agree for the benefit of the holders of the Notes
that, until such time as the Notes are indefeasibly paid in full in cash, no
dividend shall be paid in cash to any holder of Convertible Preferred Stock if
the payment of such dividend would be prohibited by the terms of Note Agreement.
Each Purchaser and the Company further agrees (i) that if such Purcha ser
receives any cash payment in contravention of the foregoing restriction, the
Company will take such action as may be necessary to rescind such cash dividend
to the extent of the ING Payment Amount (as hereinafter defined) so that such
rescinded portion of such dividend shall be treated as if it had never been
declared or paid and such Purchaser shall remit to the holders of the Notes (and
the Company hereby irrevocably instructs such Purchaser to remit to the holders
of the Notes), such portion of the cash payment received that would otherwise
have been payable to ING (US) Capital LLC in accordance with Section 6.2.5 of
the Note Agreement as if a dividend payment had been made in the amount of the
unrescinded dividend (the "ING Payment Amount") and (ii) to severally provide
written notice to ING (US) Capital LLC of its receipt of any cash dividend
payment made in respect of its Convertible Preferred Stock.

         This Letter Agreement shall be governed by the laws of the State of New
York without giving effect to the conflict of law principles thereof. This
Letter Agreement may be executed in two or more counterparts, each of which will
be an original, but together will constitute a single document.

<PAGE>

MCM Capital Group, Inc.                 2                     February 21, 2002

         This Letter Agreement shall be binding upon and inure to the benefit of
the parties hereto and their respective successors and assigns.

         If you are in agreement with the foregoing, please so indicate by
signing a copy of this letter agreement in the space provided below.

                                       Sincerely,

                                       MADISON WEST ASSOCIATES CORP.

                                       By:/s/ Francis T. McCarron
                                          -----------------------------------
                                       Name: Francis T. McCarron
                                       Its: Senior Vice President

                                       C.P. INTERNATIONAL INVESTMENTS LTD.

                                       By: /s/ David Barnett
                                          -----------------------------------
                                       Name: David Barnett
                                       Its:  Director

                                       ROBERT MICHAEL WHYTE

                                       /s/ Neville Joel Katz
                                       -----------------------------------
                                       Signed by Neville Joel Katz, Power of
                                       Attorney for Robert Michael Whyte

                                       THE PELTZ FAMILY LIMITED PARTNERSHIP

                                       By: /s/ Nelson Peltz
                                          -----------------------------------
                                          Name:  Nelson Peltz
                                          Title:    General Partner

                                       JONATHAN P. MAY 1998 TRUST

                                       By: /s/ Peter W. May
                                          -----------------------------------
                                          Name: Peter W. May
                                          Title: Co-Trustee

<PAGE>

MCM Capital Group, Inc.                3                      February 21, 2002

                                       LESLIE A. MAY 1998 TRUST

                                       By: /s/ Peter W. May
                                          -----------------------------------
                                            Name: Peter W. May
                                            Title: Co-Trustee

                                       ERIC D. KOGAN

                                       /s/ Eric D. Kogan
                                       ----------------------------------------

                                       JOHN L. BARNES, JR.

                                       /s/ John L. Barnes, Jr.
                                       ----------------------------------------

                                       JARRETT POSNER

                                       /s/ Jarrett Posner
                                       ----------------------------------------

                                       BRIAN L. SCHORR

                                       /s/ Brian L. Schorr
                                       ----------------------------------------

                                       STUART I. ROSEN

                                       /s/ Stuart I. Rosen
                                       ----------------------------------------

                                       ALEX LEMOND

                                       /s/ Alex Lemond
                                       ----------------------------------------

Accepted and Agreed:

MCM Capital Group, Inc.

By /s/ Robin R. Pruitt
   ----------------------
   Senior V.P.

ING (U.S.) Capital LLC

By
   ----------------------<PAGE>

                                                                    EXHIBIT 4.1

            NUMBER               Altiris, Inc.                SHARES

SA

  INCORPORATED UNDER THE LAWS OF         SEE REVERSE FOR STATEMENT RELATING TO
  THE STATE OF DELAWARE                     RIGHTS, REFERENCES, PRIVILEGES
                                               AND RESTRICTIONS, IF ANY

  This Certificates that                                 CUSIP [_____________]

  is the owner of

             FULLY PAID AND NON-ASSESSABLE SHARES OF COMMON STOCK,
                 PAR VALUE $0.0001 PER SHARE, OF ALTIRIS, INC.

   transferable only on the books of the Corporation by the holder hereof in
person or by duly authorized Attorney upon surrender of this certificate
properly endorsed. This certificate is not valid until countersigned and
registered by the Transfer Agent and Registrar.

   WITNESS the facsimile seal of the Corporation and the facsimile signature of
its duly authorized officers.

Dated

           [SIGNATURE ILLEGIBLE]              [SIGNATURE ILLEGIBLE]

                                    [SEAL]

   PRESIDENT AND CHIEF EXECUTIVE OFFICER           SECRETARY

COUNTERSIGNED AND REGISTERED:

   [_________________]

                         TRANSFER AGENT AND REGISTRAR

BY:

<PAGE>

                                 ALTIRIS, INC.

   A statement of the powers, designations, preferences and relative,
participating, optional or other special rights of each class of stock or
series thereof and the qualifications, limitations or restrictions of such
preferences and/or rights as established, from time to time, by the Certificate
of Incorporation and by any certificate of determination, the number of shares
constituting each class and series, and designations thereof, may be obtained
by the holder hereof upon request and without charge at the principal office of
the Corporation.

   The following abbreviations, when used in the inscription on the face of
this certificate, shall be construed as though they were written out in full
according to applicable laws or regulations:

<TABLE>
<C>                                           <S>
TEN COM--as tenants in common                 UNIF GIFT MIN ACT--__________ Custodian _________
TEN ENT--as tenants by the entireties                               (Cust)             (Minor)
JT TEN--as joint tenants with right of                           under Uniform Gifts to Minors Act
        survivorship and not as tenants in                       _________________________
        common                                                             (State)

                                              UNIF TRF MIN ACT-- Custodian (until age) _____ under
                                                                 Uniform Transfers to Minors Act
                                                                 _________________________
                                                                           (State)
</TABLE>

Additional abbreviations may also be used though not in the above list.

FOR VALUE RECEIVED, ___________________ hereby sell, assign and transfer unto

PLEASE INSERT SOCIAL SECURITY OR OTHER
IDENTIFICATION NUMBER OF ASSIGNEE: _________________

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