Document:

EXHIBIT 4.54

THIS SECURITY HAS NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS
AMENDED (THE "ACT"), OR ANY STATE SECURITIES LAWS. THE SALE TO THE HOLDER OF
THIS SECURITY OF THE SHARES OF COMMON STOCK ISSUABLE UPON EXERCISE OF THIS
SECURITY ARE NOT COVERED BY A REGISTRATION STATEMENT UNDER THE ACT OR
REGISTRATION UNDER STATE SECURITIES LAWS. THIS SECURITY HAS BEEN ACQUIRED, AND
SUCH SHARES OF COMMON STOCK MUST BE ACQUIRED, FOR INVESTMENT ONLY AND MAY NOT BE
SOLD, TRANSFERRED OR ASSIGNED IN THE ABSENCE OF REGISTRATION OF THE RESALE
THEREOF OR AN OPINION OF COUNSEL REASONABLY ACCEPTABLE IN FORM, SCOPE AND
SUBSTANCE TO THE COMPANY THAT SUCH REGISTRATION IS NOT REQUIRED.

No. 27

              Right to Purchase 5,000,000 Shares of Common Stock of
                        Vertical Computer Systems, Inc.

                         VERTICAL COMPUTER SYSTEMS, INC.

                          Common Stock Purchase Warrant

            VERTICAL COMPUTER SYSTEMS, INC., a Delaware corporation (the
"Company"), hereby certifies that, for value received, Gary Blum, or registered
assigns (the "Holder"), is entitled, subject to the terms set forth below, to
purchase from the Company at any time or from time to time up to and including
three (3) years after the date hereof, and before 5:00 p.m., Los Angeles time,
on June 15, 2004, Five Million (5,000,000) fully paid and nonassessable shares
of Common Stock, $.00001 par value, of the Company at an Exercise Price per
share initially equal to $0.037. The number of such shares of Common Stock and
the Exercise Price are subject to adjustment as provided in this Warrant.

      1. Exercise at Option of Holder. This Warrant may be exercised by the
Holder hereof in full or in part at any time or from time to time during the
exercise period specified in the first paragraph hereof, by surrender of this
Warrant and the subscription form annexed hereto (duly executed) by such Holder
to the Company and by making payment, in cash or by certified or official bank
check payable to the order of the Company or wire transfer to the Company's
account or, with the prior written consent of the Company, through the surrender
of previously acquired shares of Common Stock at their fair market value on the
exercise date or through the execution of a promissory note collateralized by
the shares underlying the Warrant, in the amount obtained by multiplying (a) the
number of shares of Common Stock designated by the Holder in the subscription
form by (b) the Exercise Price then in effect. On any partial exercise the
Company will forthwith issue and deliver to or upon the order of the Holder
hereof a new Warrant or Warrants of like tenor, in the name of the Holder hereof
or as such Holder (upon payment by such Holder of any applicable transfer taxes)
may request, providing in the aggregate on the face or faces thereof for the
purchase of the number of shares of Common Stock for which such Warrant or
Warrants may still be exercised.

      2. Delivery of Stock Certificates, etc., on Exercise. As soon as
practicable after the exercise of this Warrant, and in any event within five
business days thereafter, the Company at its expense (including the payment by
it of any applicable issue or stamp taxes) will cause to be issued in the name
of and delivered to the Holder hereof, or as such Holder (upon payment by such
Holder of any applicable transfer taxes) may direct, a certificate or
certificates for the number of fully paid and nonassessable shares of Common
Stock to which such Holder shall be entitled on such exercise, in such
denominations as may be requested by such Holder, plus, in lieu of any
fractional share to which such Holder would otherwise be entitled, cash equal to
such fraction multiplied by the then current fair market value of one full
share, together with any other stock or other securities any property (including
cash, where applicable) to which such Holder is entitled upon such exercise
pursuant to Section 1 or otherwise.

      3. Dilution.

            a. Dividends, Etc. If the Company shall pay to the holders of its
Common Stock a dividend in shares of Common Stock or in securities convertible
into Common Stock, the Exercise Price in effect immediately prior to the record
date fixed for the determination of the holders of Common Stock entitled to such
dividend shall be proportionately decreased, effective at the opening of
business on the next following full business day.

            b. Splits, Combinations, Etc. If the Company shall split the
outstanding shares of its Common Stock into a greater number of shares or
combine the outstanding shares into a smaller number, the Exercise Price in
effect immediately prior to such action shall be proportionately decreased in
the case of a split or increased in the case of a combination, effective at the
opening of business on the full business day next following the day such action
becomes effective.

      4. Protection in Case or Reclassification, Etc. In case of any
reclassification or change of the terms of the outstanding shares of the class
of Common Stock issuable upon the exercise of this Warrant, then upon exercise
of this Warrant (other than a change relating to par value, or as a result of a
subdivision or combination), or in case of any consolidation or merger of the
Company with or into another company (other than a merger in which the Company
is the continuing company or which does not result in any reclassification or
change of outstanding shares of Common Stock of the class issuable upon exercise
of this Warrant, other than a split or combination of shares), or in case of any
sale or conveyance to any other person or entity of all or substantially all of
the assets of the Company, the Company shall use its best efforts to execute an
agreement providing that the holder of this Warrant shall have the right
thereafter to exercise this Warrant for the kind and amount of shares of stock
and other securities and property receivable upon such reclassification, change,
dividend, distribution, consolidation, merger, sale or conveyance by a holder of
the number of shares of Common Stock of the Company for which this Warrant might
have been exercised immediately prior to such reclassification, change,
dividend, distribution, consolidation, merger, sale or conveyance. This Section
4 shall apply to successive reclassifications and changes of and dividends and
distributions on shares of Common Stock and to successive consolidations,
mergers, sales or conveyances. Notice of the execution of any agreement
pertaining to such

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reclassification, change, dividend, distribution, consolidation, merger, sale or
conveyance shall be given to the holder of this Warrant as soon as practicable
and in any event not less than ten (10) business days before any such
transaction is consummated.

      5. Reservation of Stock, etc., Issuable on Exercise of Warrants. The
Company will at all times reserve and keep available, solely for issuance and
delivery on the exercise of this Warrant, all shares of Common Stock from time
to time issuable on the exercise of this Warrant.

      6. Register of Warrants. The Company shall maintain, at the principal
office of the Company (or such other office as it may designate by notice to the
Holder hereof), a register in which the Company shall record the name and
address of the person in whose name this Warrant has been issued, as well as the
name and address of each successor and prior owner of such Warrant. The Company
shall be entitled to treat the person in whose name this Warrant is so
registered as the sole and absolute owner of this Warrant for all purposes.

      7. Exchange of Warrant. This Warrant is exchangeable, upon the surrender
hereof by the Holder hereof at the office or agency of the Company referred to
in Section 6, for one or more new Warrants of like tenor representing in the
aggregate the right to subscribe for and purchase the number of shares of Common
Stock which may be subscribed for purchase hereunder, each of such new Warrants
to represent the right to subscribe for and purchase such number of shares as
shall be designated by said Holder hereof at the time of such surrender.

      8. Replacement of Warrant. On receipt of evidence reasonably satisfactory
to the Company of the loss, theft, destruction or mutilation of this Warrant
and, in the case of any such loss, theft or destruction of this Warrant, on
delivery of an indemnity agreement or security reasonably satisfactory in form
and amount to the Company or, in the case of any such mutilation, on surrender
and cancellation of this Warrant, the Company at its expense will execute and
deliver, in lieu thereof, a new Warrant of like tenor.

      9. Warrant Agent. The Company will act as the exercise agent for the
purpose of issuing Common Stock on the exercise of this Warrant pursuant to
Section 1. The Company may, by written notice to the Holder, appoint an agent
having an office in the United States of America, for the purpose of issuing
Common Stock on the exercise of this Warrant pursuant to Section 1, redeeming
this Warrant pursuant to Section 2, exchanging this Warrant pursuant to Section
7, and replacing this Warrant pursuant to Section 8, or any of the foregoing,
and thereafter any such issuance, exchange or replacement, as the case may be,
shall be made at such office by such agent.

      10. No Rights or Liabilities as a Stockholder. This Warrant shall not
entitle the Holder hereof to any voting rights or other rights as a stockholder
of the Company, until properly exercised.

      12. Notices, etc. All notices and other communications from the Company to
the registered Holder of this Warrant shall be mailed by first class certified
mail, postage prepaid, at such address as may have been furnished to the Company
in writing by such Holder or at the address shown for such Holder on the
register of Warrants referred to in Section 7.

      13. Miscellaneous. This Warrant and any terms hereof may be changed,
waived, discharged or terminated only by an instrument in writing signed by the
party against which enforcement or such change, waiver, discharge or termination
is sought. This Warrant shall be construed and enforced in accordance with and
governed by the internal laws of the State of Washington. The headings in this
Warrant are for purposes of reference only, and shall not limit or otherwise
affect any of the terms hereof. The invalidity or unenforceability of any
provision hereof shall in no way affect the validity or enforceability of any
other provision.

      IN WITNESS WHEREOF, Vertical Computer Systems, Inc. has caused this
Warrant to be executed on its behalf by one of its officer's thereunto duly
authorized.

Dated: June 15, 2001                VERTICAL COMPUTER SYSTEMS, INC.

                                    By:_________________________________
                                        Richard Wade, President

<PAGE>

                              FORM OF SUBSCRIPTION

                          COMMON STOCK PURCHASE WARRANT
                       OF VERTICAL COMPUTER SYSTEMS, INC.

(To be signed only on exercise of Warrant)

TO: VERTICAL COMPUTER SYSTEMS, INC.
    6336 Wilshire Boulevard
    Los Angeles, California 90048

      1. The undersigned Holder of the attached original, executed Warrant
hereby elects to exercise its purchase right under such Warrant with respect to
________ shares of Common Stock, as defined in the Warrant, of Vertical Systems,
Inc., a Delaware corporation (the "Company").

      2. The undersigned Holder pays the aggregate purchase price for such
shares of Common Stock (i) by lawful money of the United States or the enclosed
certified or official bank check payable in United States dollars to the order
of the Company in the amount of $___________, or (ii) by wire transfer of United
States funds to the account of the Company in the amount of $____________, which
transfer has been made before or simultaneously with the delivery of this Form
of Subscription pursuant to the instructions of the Company.

      3. Please issue a stock certificate or certificates representing the
appropriate number of shares of Common Stock in the name of the undersigned or
in such other names as is specified below:

         Name:         ________________________________

         Address:      ________________________________

                       ________________________________

Dated:_________________________________________________
(Signature must conform to name of Holder as specified on the face of the
Warrant)

                                                 _______________________________
                                                 _______________________________
                                                             (Address)EXHIBIT 10.1

            Vertical Computer Systems Inc. - Entertainment Marketing Group

    Comprehensive Agreement for Marketing and Promotion Services and Business
                                   Development

THIS AGREEMENT, effective as of October 16, 2000 between Vertical Computer
Systems, Inc., a corporation organized and existing under the laws of the State
of Delaware having its principal place of business at 6336 Wilshire Boulevard,
Los Angeles, California 90048 ("VCSY" or "Client") and Xatnu, Inc. dba
Entertainment Marketing Group, a marketing and promotion company having its
principal place of business at 8913 Sunset Boulevard, 2nd Floor, West Hollywood,
California 90069 ("EMG" or "Agency").

                                  WITNESSETH :

      WHEREAS, the Agency is engaged in the business of providing marketing and
promotion and employs personnel with expertise in the rendering of such
services, and

      WHEREAS, The Agency desires to provide trade and consumer marketing
services to Client, and

      WHEREAS, Client desires to establish and promote the sale of Client
services and products (the "Products"), utilizing the marketing and creative
services of the Agency,

      NOW, THEREFORE, in consideration of the mutual premises and covenants
herein, the parties agree as follows:

I. Services. Client and the Agency have executed, of even date, three agreements
attached hereto as Exhibits A, B and C each of which is incorporated by
reference within. It is anticipated that Agency Services shall include the
services described in those Exhibits.

II. Compensation for Agency Services.

(a) The Agency agrees to accept as full compensation for its services and
expenses for the Client as described in Exhibit A for the national radio
promotional campaign and in Exhibit B for the national television promotional
campaign, commencing October 16, 2000, a total of (i) 379,688 shares of VCSY
common stock at $0.16 per share for executing both the described national radio
and the national television promotional campaigns, all of which shares are
deemed earned as the date of execution of this Agreement, (ii) $60,750 in
commencement fees for both the radio and television promotional campaigns
payable to Agency upon execution of this Agreement, (iii) $10,000 for producing,
editing and duplicating a high-end 0:30 television promotional spot, and (iv) up
to $22,000 in runner-up prizes for executing both the national radio and the
national television promotional campaigns, in the event EMG cannot secure such
prizing components for the respective campaigns at gratis or at a reduced price
as described in Exhibits A and B. All of the 379,688 shares shall be sold into
the market within six months, in equal amounts each month, after registration of
the shares on Form S-8. If, at the end of the abovesaid six month period, the
net proceeds of the sale of all 379,688 shares is less than $60,750, then Client
shall immediately pay Agency the difference between the net sales proceeds and
$60,750.

(b) The Agency agrees to accept as full compensation for its services and
expenses with regards to assisting the Client in its business development,
creating third party introductions, creating third party arrangements, and
forging strategic alliances for VCSY, commencing October 16, 2000, a grant of
five-year options to purchase 250,000 shares of VCSY common stock at $0.16 per
share, which grant is deemed earned as of the date of execution of this
Agreement. Client shall facilitate the cashless exercise of said options.

<PAGE>

(c) The Agency agrees to accept as full compensation from the Client for its
sales services and expenses with regards to selling on behalf of the Client
advertising programs for www.theusbridge.com and Client related web site
portals, sponsorships, and other sales, fees in the amount of twenty percent
(20%) of the gross revenue or market value equivalent to the Client, payable in
cash to the Agency as described in Exhibit C; and, additionally, a grant of
five-year options to purchase 250,000 shares of VCSY common stock at $0.16 per
share, which grant is deemed earned as of the date of execution of this
Agreement. Notwithstanding, these options may be exercised only in increments of
no less than 50,000 shares and in amounts equivalent to dollars of gross revenue
generated from sales on behalf of Client as described hereinabove in this
subparagraph (c). Client shall facilitate the cashless exercise of said options.

(d) Client agrees to register the above-described shares and the shares
underlying the warrants, described in this Section III, by whatever means
available (including on Form S-8) as soon as practical, but no later than
October __, 2000; and the Agency agrees and warrants that Michael Blum and Phil
Alexander are the persons providing substantially all of the services hereunder
to Client and that all of the above said shares and shares underlying the
warrants are to be issued two-thirds to Michael Blum and one-third to Phil
Alexander.

III. Term.

(a) Term. The initial term of this Agreement shall commence on October 16, 2000,
and shall continue until at least one year until or October 16, 2001.

(b) Right Upon Termination. Upon termination of this Agreement, Client shall
have no obligations to the Agency, provided, however, any non-cancelable
contracts made on Client's behalf or uncompleted work, which cannot be assigned
by the Agency to Client shall, at the discretion of Client, be completed by the
Agency at Client's expense, and provided further that all indemnity obligations
of Client shall survive the termination of this Agreement. Upon termination of
this Agreement, the Agency shall deliver to Client all Client property and
materials in the Agency's possession and all information regarding Client's
advertising. The Agency shall cooperate in the transfer of all contracts and
agreements with other parties for marketing materials and all rights and claims
thereto. All unused marketing plans, ideas and materials prepared by the Agency
for Client, but not accepted by Client prior to the date of termination, shall
remain Client's property and shall be returned to Client.

<PAGE>

IV. Ownership of Materials.

All products, ideas, concepts, themes and other intellectual property rights or
marketing materials created by the Agency on Client's behalf shall be and will
remain the property of Client.

V. Storage and Preservation.

The Agency shall properly store all tapes, files or other materials developed by
or transferred to the Agency by Client. The Agency shall ensure that all
materials be preserved by copying whenever necessary.

VI. Exclusivity.

Nothing in this Agreement shall be construed as requiring Client to assign all
or any specific portion of its marketing work exclusively to the Agency for the
terms of this Agreement.

XIV. Indemnification.

The Agency shall indemnify and hold harmless Client, its affiliates, agents and
employees from and against any and all claims, losses, actions, damages,
expenses and all other liabilities, including but not limited to reasonable
attorneys' fees, arising out of services performed by the Agency for Client.
Client shall give prompt notice to the Agency of any such claim, loss, action,
damage, expense or other liability, and shall fully cooperate in the defense of
any such action.

X. Legal Review.

The Agency shall provide, at its own expense, legal review and approval of all
work and services provided hereunder prior to publication of any marketing
material.

XI. Authorizations.

The Agency shall obtain releases, licenses, permits or other necessary
authorization to use photographs, copyrighted materials, artwork or any other
property or rights belonging to third parties obtained by the Agency for use in
performing Agency Services and shall hold Client harmless from all claims,
demands, expenses including reasonable attorneys' fees), liabilities, suits and
proceedings arising out of such use brought before any court, administrative
body, arbitration panel or other tribunal. Client shall obtain releases,
licenses, permits or other necessary authorization for any property or rights
obtained by Client which are used by the Agency in performing Agency Services,
and shall hold the Agency harmless from all claims, demands, expenses (including
reasonable attorneys' fees), liabilities, suits and proceedings arising out of
such use.

XII. Independent Contractor. All persons employed by the Agency in performance
of services hereunder shall be under the sole and exclusive direction and
control of the Agency, and shall not be considered the

<PAGE>

employees of Client for any purpose whatsoever. The Agency shall remain at all
times an independent contractor.

XIII. Safeguarding Information.

The Agency shall not, during the period of this Agreement and extensions thereto
or at any time thereafter, reveal or otherwise make available to any other
person, or use for any purpose other than to benefit Client, any information or
trade secrets regarding Client's Products, services, business, customers, or
methods of operation learned by the Agency while providing services hereunder.
Any specifications, drawings, sketches, models, samples, tools, computer
programs, technical or business information or data, written, oral, in graphic
form or otherwise ("Information") furnished to the Agency hereunder or in
contemplation hereof shall remain the property of Client. The provisions of this
Section shall apply to all Agency subcontractors. The Agency shall be
responsible for informing subcontractors of any Information included in any work
subcontracted hereunder, and shall ensure that all subcontractors are in
compliance with this Section.

XIV. Use of Client Name.

The Agency shall not use Client's name, or the name of any affiliate of Client,
as a reference without prior written approval of Client or such affiliate,
provided, however, the Agency may list Client as one of its clients when
furnishing proposals to provide marketing services to prospective clients.
Approval will not be given in any case in which an endorsement might be
inferred. The provisions of this Section shall apply to Agency Affiliates and to
all subcontractors of the Agency.

XV. Assignment.

The Agency may not assign this Agreement or any part thereof to any Agency
Affiliate or any other entity without the prior written consent of Client.

XVI. Insolvency.

Either party may terminate this Agreement if the other party is insolvent or
makes an assignment for the benefit of creditors.

XVII. Notices.

All notices which may be given by either party to the other shall be deemed to
have been duly given when made in writing and delivered in person or deposited
in the United States mail, postage prepaid, and addressed to such party at such
party's address set forth at the beginning of this Agreement (or to such other
address as such party may designate by written notice delivered hereunder).

XVIII. Waiver.

Failure to enforce any provision hereof shall not constitute a waiver of that or
any other provision in any other circumstances.

XVIX. Entire Agreement.

This Agreement shall constitute the entire Agreement

<PAGE>

between the parties with respect to the subject matter and supersedes all
previous agreements and understandings between Client and the Agency relating to
the subject matter hereof.

XX. Governing Law.

This Agreement shall be governed by the laws of the State of California.

      IN WITNESS WHEREOF, the parties hereto have caused this Agreement to be
executed by their duly authorized officers as of the day and year first above
written.

Vertical Computer Systems, Inc.

By:__________________________________________
   Richard Wade, President

Xatnu, Inc. dba Entertainment Marketing Group

By:__________________________________________
   Michael Blum, Chief Financial Officer

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