**Exhibit 10.43**

**AMENDMENTTOLOAN AND SECURITY AGREEMENT**

THIS**AMENDMENT** to Loan and Security Agreement (this****“Amendment”) is entered into this 23rd day of June, 2006,by and between Silicon Valley Bank (“Bank”) and Sento Corporation, a Utahcorporation, Sento Technical Services Corporation, a Utah corporation andXtrasource Acquisition, Inc., a Delaware corporation (collectively “Borrower”)whose address is 420 East South Temple, Suite 400, Salt Lake City,Utah  84111.

**RECITALS**

**A.**            Bank and Borrower have entered into that certain Loan andSecurity Agreement dated April 15, 2003, as amended by certain Amendmentsto Loan Documents by and between Bank and Borrower, including amendments to theSchedule to Loan and Security Agreement (as the same may from time to time befurther amended, modified, supplemented or restated, the “Loan Agreement”). Themost recent Amendment to Loan Documents was dated January 26, 2006, andincluded a Third Amended and Restated Schedule to Loan and Security Agreement(the “Schedule”).

**B.**            Bank has extended credit to Borrower for the purposespermitted in the Loan Agreement.

**C.**            Borrower has requested that Bank amend the Loan Agreementto make certain revisions to the Liquidity Coverage ratio as more fully setforth herein and to waive Borrower’s failure to comply with such ratio.

**D.**            Bank has agreed to so amend certain provisions of theLoan Agreement, but only to the extent, in accordance with the terms, subjectto the conditions and in reliance upon the representations and warranties set forthbelow.

**AGREEMENT**

**NOW, THEREFORE,** inconsideration of the foregoing recitals and other good and valuableconsideration, the receipt and adequacy of which is hereby acknowledged, andintending to be legally bound, the parties hereto agree as follows:

**1.             Definitions.**Capitalized terms used but not defined in this Amendmentshall have the meanings given to them in the Loan Agreement.

**2.             Amendmentsto Third Amended and Restated Schedule to Loan and Security Agreement.**

**2.1          Section 5** (**FinancialCovenants**). The Liquidity Coverage covenant is amended by deletingthe existing covenant and replacing it with the following:

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**“Liquidity Coverage:****                             **Commencingwith the month ending March 31, 2006, through June 30, 2006, Borrowershall maintain Liquidity Coverage of not less than **1.50 to 1.0**.Commencing with the month ending July 31, 2006, Borrower shall maintainLiquidity Coverage of not less than **2.0 to 1.0**.”

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**2.2          Section 5** (**FinancialCovenants**). The definition of Liquidity Coverage is amended bydeleting the existing definition and replacing it with the following:

“Liquidity Coverage” shall mean (i) for theperiod from March 31, 2006, through June 30, 2006, a ratio ofunrestricted cash (and equivalents) deposited with Silicon, invested with Silicon’saffiliates or deposited with another depositary institution in the UnitedStates, plus the loan value of accounts (the Advance Rate multiplied by theBorrower’s Eligible Accounts) under the Accounts Loan divided by alloutstanding Obligations and (ii) from and after July 1, 2006, a ratioof unrestricted cash (and equivalents) deposited with Silicon or invested withSilicon’s affiliates plus the loan value of accounts (the Advance Ratemultiplied by the Borrower’s Eligible Accounts) under the Accounts Loan dividedby all outstanding Obligations.”

**3.             Limitationof Amendments.**

**3.1         **The amendments setforth in **Section 2**, above, are effectivefor the purposes set forth herein and shall be limited precisely as written andshall not be deemed to (a) be a consent to any amendment, waiver ormodification of any other term or condition of any Loan Document, or (b) otherwiseprejudice any right or remedy which Bank may now have or may have in the futureunder or in connection with any Loan Document.

**3.2         **This Amendment shallbe construed in connection with and as part of the Loan Documents and allterms, conditions, representations, warranties, covenants and agreements setforth in the Loan Documents, except as herein amended, are hereby ratified andconfirmed and shall remain in full force and effect.

**4.             Representationsand Warranties.**To induce Bank to enter into this Amendment,Borrower hereby represents and warrants to Bank as follows:

**4.1         **Immediately aftergiving effect to this Amendment (a) the representations and warrantiescontained in the Loan Documents are true, accurate and complete in all materialrespects as of the date hereof (except to the extent such 

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representations andwarranties relate to an earlier date, in which case they are true and correctas of such date), and (b) no Event of Default has occurred and iscontinuing;

**4.2         **Borrower has thepower and authority to execute and deliver this Amendment and to perform itsobligations under the Loan Agreement, as amended by this Amendment;

**4.3         **The organizationaldocuments of Borrower delivered to Bank on the Effective Date remain true,accurate and complete and have not been amended, supplemented or restated andare and continue to be in full force and effect;

**4.4         **The execution anddelivery by Borrower of this Amendment and the performance by Borrower of itsobligations under the Loan Agreement, as amended by this Amendment, have beenduly authorized;

**4.5         **The execution anddelivery by Borrower of this Amendment and the performance by Borrower of itsobligations under the Loan Agreement, as amended by this Amendment, do not andwill not contravene (a) any law or regulation binding on or affectingBorrower, (b) any contractual restriction with a Person binding onBorrower, (c) any order, judgment or decree of any court or othergovernmental or public body or authority, or subdivision thereof, binding onBorrower, or (d) the organizational documents of Borrower;

**4.6         **The execution anddelivery by Borrower of this Amendment and the performance by Borrower of its obligationsunder the Loan Agreement, as amended by this Amendment, do not require anyorder, consent, approval, license, authorization or validation of, or filing,recording or registration with, or exemption by any governmental or public bodyor authority, or subdivision thereof, binding on either Borrower, except asalready has been obtained or made; and

**4.7         **This Amendment hasbeen duly executed and delivered by Borrower and is the binding obligation ofBorrower, enforceable against Borrower in accordance with its terms, except assuch enforceability may be limited by bankruptcy, insolvency, reorganization,liquidation, moratorium or other similar laws of general application andequitable principles relating to or affecting creditors’ rights.

**5.             Counterparts.**ThisAmendment may be executed in any number of counterparts and all of suchcounterparts taken together shall be deemed to constitute one and the sameinstrument.

**6.             Effectiveness**. ThisAmendment shall be deemed effective upon (a) the due execution anddelivery to Bank of this Amendment by each party hereto, and (b) Borrower’spayment of an amendment fee in an amount equal to $5,000.00 and Bank’sout-of-pocket expenses.

[Signature page follows]

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**IN WITNESS WHEREOF,** the parties hereto have caused thisAmendment to be duly executed and delivered as of the date first written above.
| **BANK**            | ** **                  | **BORROWER**      |
|---------------------|-----------------------------|-------------------|
| ** **          | ** **                  | ** **        | ** ** | ** ** |
| Silicon Valley Bank |                        | Sento Corporation |
|                |                        |              |   |   |
| By:                 | /s/ Ron Sherman             |              | By: | /s/ Anthony Sansone |
| Name:               | Ron Sherman                 |              | Name: | Anthony Sansone |
| Title:              | Senior Relationship Manager |              | Title: | SVP & CFO |
|                |                        |              |   |   |
|                |                        |              | Sento Technical Services Corporation |
|                |                        |              |   |   |
|                |                        |              | By: | /s/ Anthony Sansone |
|                |                        |              | Name: | Anthony Sansone |
|                |                        |              | Title: | SVP & CFO |
|                |                        |              |   |   |
|                |                        |              | Xtrasource  Acquisition, Inc. |
|                |                        |              |   |
|                |                        |              | By: | /s/ Anthony Sansone |
|                |                        |              | Name: | Anthony Sansone |
|                |                        |              | Title: | SVP &  CFO |

 

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