Document:

Exhibit 10.49

                                    GUARANTY

         FOR GOOD AND VALUABLE CONSIDERATION, the receipt and sufficiency of
which are hereby acknowledged, and to induce ABS SOS-Plus Partners Ltd. and
Regenmacher Holdings, Ltd. (collectively, the "Holders"), to extend the maturity
date on those certain 10% Senior Secured Debenture dated as of August 31, 2005
in the original principal amount of $1,000,000 (the "Notes") held by each Holder
and issued by Intraop Medical Corporation, a Nevada corporation (the "Company"),
from August 31, 2005 to September 30, 2008, Lacuna Hedge Fund LLLP (the
"Guarantor") does hereby irrevocably and unconditionally guarantee the prompt,
full and faithful performance and discharge when due of all sums due from
Company to each Holder under the Notes which, as of the date hereof, each have a
remaining principal balance of $500,000 (collectively, the "Guaranteed
Obligations"). This Guaranty is absolute, unconditional, irrevocable and
continuing and shall remain in effect until all Guaranteed Obligations shall
have been paid, performed and discharged.

         Each Holder hereby confirms that the remaining principal balance under
its Note is $500,000. Any amendment or modification to the Notes or Guaranteed
Obligations shall require the consent of Guarantor. Each Holder may without
notice assign this Guaranty in whole or in part. Guarantor may without notice
assign this Guaranty to any affiliated entity. Prior to enforcing this Guaranty
against Guarantor, each Holder shall proceed with and exhaust its remedies
against Company with respect to satisfaction of the Guaranteed Obligations. This
Guaranty may not be changed, modified or terminated orally and shall be deemed
delivered and shall be construed, interpreted and enforced in accordance with
and under the law of the State of Delaware without regard to conflict of laws.
If any provision of this Guaranty or the application thereof is hereafter held
invalid or unenforceable, the remainder of this Guaranty shall not be affected
thereby, and, to this end, the provisions of this Guaranty are declared
severable. The obligations of Guarantor hereunder shall be binding upon its
successors and assigns and shall inure to the benefit of each Holder's
successors and assigns.

         IN WITNESS WHEREOF, the undersigned Guarantor has executed and
delivered this Guaranty on the 29th day of August, 2008.

                                    GUARANTOR:

                                    LACUNA HEDGE FUND LLLP

                                    By:   Lacuna Hedge GP LLLP
                                          Its General Partner

                                    By:   Lacuna, LLC
                                          Its General Partner

                                    By:   /s/ JK Hullett
                                          --------------
                                          JK Hullett
                                          Managing Director

                                       1EXHIBIT 4.1

                AMENDED AND RESTATED CERTIFICATE OF INCORPORATION
                                       OF
                               ANTS SOFTWARE INC.

         The undersigned, Boyd Pearce, hereby certifies that:

         ONE:  He is the  Chief  Executive  Officer  of ANTs  software  inc.,  a
Delaware   corporation  (the   "Corporation").   The  original   Certificate  of
Incorporation  of the  Corporation  was filed with the Secretary of State of the
State of  Delaware  on October 6, 2000.  Amended and  Restated  Certificates  of
Incorporation were filed with the Secretary of State of the State of Delaware on
November 16, 2000 and May 19, 2003. The Corporation was originally  incorporated
in the State of Delaware under the name "ANTs software.com, Inc."

         TWO: Pursuant to Sections 242 and 245 of the General Corporation Law of
the State of Delaware,  the Amended and Restated Certificate of Incorporation of
this Corporation is amended and restated to read in full as follows:

                                    ARTICLE I

                  The name of the corporation is ANTs software inc.

                                   ARTICLE II

                  The  address  of the  Corporation's  registered  office in the
State of Delaware is 615 South Dupont Highway,  Dover, DE 19901, County of Kent.
The name of its registered agent at such address is National Corporate Research,
Ltd.

                                   ARTICLE III

                  The  purpose  for which the  Corporation  is  organized  is to
engage in any business,  trade or activity  which may lawfully be conducted by a
corporation  organized  under  the  General  Corporation  Law  of the  State  of
Delaware.

                                   ARTICLE IV

                  (A) Classes of Stock.  The  Corporation is authorized to issue
two  classes  of  stock  to be  designated,  respectively,  "Common  Stock"  and
"Preferred  Stock."  The  total  number of  shares,  which  the  Corporation  is
authorized to issue,  is Two Hundred Fifty  Million  (250,000,000).  Two Hundred
Million  (200,000,000) shares shall be Common Stock, each share with a par value
of $0.0001, and Fifty Million (50,000,000) shares shall be Preferred Stock, each
share with a par value of $0.0001.

                                       1
<PAGE>

                  (B) Rights,  Preferences and  Restrictions of Preferred Stock.
The  Preferred  Stock  authorized  by this Amended and Restated  Certificate  of
Incorporation may be issued from time to time in series.  The Board of Directors
is  hereby  authorized  to  create,  fix  and  alter  the  rights,  preferences,
privileges  and  restrictions  granted to or imposed  upon  series of  Preferred
Stock, and the number of shares constituting any such series and the designation
thereof,  or of any of them.  Subject to compliance with  applicable  protective
voting rights which have been or may be granted to the Preferred Stock or series
thereof in Certificates of Designation or the corporation's Amended and Restated
Certificate of Incorporation ("Protective Provisions"),  but notwithstanding any
other  rights  of  the  Preferred  Stock  or any  series  thereof,  the  rights,
privileges,  preferences and  restrictions of any such additional  series may be
subordinated to, pari passu with (including,  without  limitation,  inclusion in
provisions with respect to liquidation and acquisition  preferences,  redemption
and/or  approval  of matters by vote or  written  consent),  or senior to any of
those of any present or future  class or series of  Preferred  or Common  Stock.
Subject  to  compliance  with  applicable  Protective  Provisions,  the Board of
Directors is also authorized to increase or decrease the number of shares of any
series,  prior or  subsequent  to the  issue of that  series,  but not below the
number of shares of such series then  outstanding.  In case the number of shares
of any series shall be so decreased, the shares constituting such decrease shall
resume  the  status  that  they had  prior  to the  adoption  of the  resolution
originally fixing the number of shares of such series.

                                    ARTICLE V

                  (A)  Limitation of Director  Liability.  To the fullest extent
that the Delaware  General  Corporation  Law, as it exists on the date hereof or
may hereafter be amended, permits the limitation or elimination of the liability
of  directors,  a  director  of  the  Corporation  shall  not be  liable  to the
Corporation  or its  stockholders  for any  monetary  damages  for  conduct as a
director. Neither any amendment to or repeal of this Certificate or amendment to
the Delaware General  Corporations Law nor the adoption of any provision of this
Certificate of Incorporation  inconsistent with this Certificate shall adversely
affect any right or  protection  of a director  of the  Corporation  for or with
respect  to any  acts or  omissions  of such  director  occurring  prior to such
amendment or repeal.

                  (B)  Indemnification.  To the fullest extent not prohibited by
law, the Corporation:  (i) shall indemnify any person who is made, or threatened
to be made, a party to an action, suit or proceeding,  whether civil,  criminal,
administrative,  investigative,  or  otherwise  (including  an  action,  suit or
proceeding  by or in the right of the  Corporation),  by reason of the fact that
the person is or was a director of the  Corporation,  and (ii) may indemnify any
person who is made,  or  threatened  to be made,  a party to an action,  suit or
proceeding, whether civil, criminal, administrative, investigative, or otherwise
(including an action, suit or proceeding by or in the right of the Corporation),
by reason of the fact that the person is or was an officer,  director,  employee
or agent of the Corporation,  or a fiduciary (within the meaning of the Employee
Retirement  Income Security Act of 1974),  with respect to any employee  benefit
plan of the  Corporation,  or serves or served at the request of the Corporation
as a director,  officer,  employee  or agent of, or as a  fiduciary  (as defined
above) of an employee benefit plan of, another corporation,  partnership,  joint
venture,  trust  or other  enterprise.  This  Certificate  shall  not be  deemed
exclusive of any other provision for the indemnification of directors, officers,
employees,  or agents  that may be included in any  statute,  bylaw,  agreement,
resolution of shareholders  or directors or otherwise,  both as to action in any
official  capacity and action in any other  capacity  while holding  office,  or
while an employee or agent of the Corporation.

                                       2
<PAGE>

                                   ARTICLE VI

                  In  furtherance  of,  and not in  limitation  of,  the  powers
conferred by statute,  the Board of Directors is expressly  authorized  to make,
alter, amend or repeal the Bylaws of the Corporation.

                                   ARTICLE VII

                  The Corporation  reserves the right to amend, alter, change or
repeal any provision  contained in this  Certificate  of  Incorporation,  in any
manner now or  hereafter  prescribed  by statute and all rights  conferred  upon
stockholders herein are granted subject to this reservation.

         THREE: This Amended and Restated  Certificate of Incorporation was duly
adopted by the Board of Directors of the  Corporation in accordance with Section
242 of the General Corporation Law of the State of Delaware.

         FOUR: This Amended and Restated  Certificate of Incorporation  was duly
adopted by the vote of the  holders of a majority of the  outstanding  shares of
the  Corporation  entitled to vote thereon in accordance with Section 242 of the
General Corporation Law of the State of Delaware.

         FIVE: This Amended and Restated  Certificate of Incorporation  was duly
adopted in accordance  with Sections 242 and 245 of the General  Corporation Law
of the State of Delaware.

         IN WITNESS  WHEREOF,  the  Corporation  has  caused  this  Amended  and
Restated  Certificate  of  Incorporation  to be signed by Boyd Pearce,  its duly
authorized  officer,  on this 10th day of May,  2006,  and the  foregoing  facts
stated herein are true.

                                            By:     /s/ Boyd Pearce
                                                --------------------------------
                                                Boyd Pearce,
                                                Chief Executive Officer

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