EXHIBIT 10.4 November 21, 1996 Mr. John Pence President Ontrack Data International, Inc. 6321 Bury Drive, Suite 15-21 Eden Prairie, MN 55346 Re: Software License Agreement for Seagate Technology dated June 25, 1996 Dear Mr. Pence: Pursuant to Section...

                                                                 EXHIBIT 10.4


November 21, 1996


Mr. Xxxx Xxxxx
President
Ontrack Data International, Inc.
0000 Xxxx Xxxxx, Xxxxx 00-00
Xxxx Xxxxxxx, XX 00000

Re: Software License Agreement for Seagate Technology dated June 25, 1996

Dear Xx. Xxxxx:

Pursuant to Section 1 of the above-referenced Agreement, this is to notify
ONTRACK that Seagate is hereby exercising its right to extend for an additional
six (6) month period its exclusive licensing rights for the PRODUCT as defined
in the Agreement.  Seagate understands that its right to exercise is subject to
the conditions specified in the Agreement.

Sincerely,


/s/ Xxxxxx X. Xxxxxxxx
     Xx. V.P. and General Counsel