AMENDMENT
      TO REGISTRATION RIGHTS AGREEMENT

     

    This
      Amendment to Registration Rights Agreement (this “Amendment”), dated October 11,
      2006, is made by and among CyberDefender Corporation, a California corporation
      (the “Company”), and the several purchasers signatory hereto (each such
      purchaser, a “Purchaser” and, collectively, the “Purchasers”).

    


    WHEREAS,
      the
      parties to this Amendment entered into that certain Registration Rights
      Agreement dated as of September 12, 2006 (the “Agreement”); and

     

    WHEREAS,
      the
      parties to this Amendment desire to amend the Agreement as hereinafter
      provided;

     

    NOW,
      THEREFORE,
      in
      consideration of the premises and other good and valuable consideration, the
      receipt and sufficiency of which are hereby acknowledged, the parties to this
      Amendment agree as follows:

     

    1.    The
      definition of Filing Date in Section 1 of the Agreement is hereby amended and
      restated in its entirety as follows: 

    


     

    “Filing
      Date”
means,
      with respect to the initial Registration Statement required hereunder, October
      31, 2006 and, with respect to any additional Registration Statements which
      may
      be required pursuant to Section 3(c), the 30th
      day
      following the date on which the Company first knows, or reasonably should have
      known that such additional Registration Statement is required hereunder.


     

    2.    Except
      as
      amended hereby, the Agreement shall continue in full force and effect in
      accordance with its terms.

     

    IN
      WITNESS WHEREOF,
      the
      parties have executed this Amendment as of the date set forth
      above.

     

    CyberDefender
      Corporation

    


     

    By:
      /s/
      Gary Guseinov        

    Name:
      Gary Guseinov

    Title:
      Chief Executive Officer

    


    


    [PURCHASER
      SIGNATURES FOLLOW]


    
      
         

      

      
         

        
          

        

      

      
         

      

    


    [PURCHASER
      SIGNATURE PAGE OF 

    AMENDMENT
      TO REGISTRATION RIGHTS AGREEMENT]

    


    


    
      	
              Purchasers:

            	
              Signature

            
	
              Bushido
                Capital Master Fund, LP

               

              By:
                Louis Rabman

              Its:
                President

            	
               

              /s/
                Louis Rabman

            
	
              Pierce
                Diversified Strategy Master Fund LLC, Series BUS (6)

               

              By:
                Christopher Rossman

              Its:
                Attorney In Fact

            	
               

              /s/
                Christopher Rossman

            
	
              Camofi
                Master LDC

               

              By:
                Jeffrey M. Haas

              Its:
                Authorized Signatory

            	
               

              /s/
                Jeffrey M. Haas

            
	
              Richardson
                & Patel, LLP

               

              By:
                Kevin Friedmann

              Its:
                Partner

            	
              /s/
                Kevin Friedmann

            
	
              Commercial
                Construction Management, Inc.

               

              By:
                Brian Sutcliffe

              Its:
                President

            	 
	
              Robert
                O’dell

            	 
	
              Michael
                R. DeBaecke

            	
              /s/
                Michael r. DeBaecke

            
	
              Garrett
                S. Goggin

            	 
	
              Robert
                Goggin

            	 
	
              William
                J. Santora

            	 
	
              Ricardo
                A. Salas

            	 
	
              Brian
                E. and Christine Boyle

            	
              /s/
                Brian E. Boyle

            
	
              Walter
                Buckley