U.S. SECURITIES AND EXCHANGE COMMISSION
                              Washington, DC 20549


                                   FORM 12b-25
                           Notification of Late Filing


                         Commission File Number 0-12817


                             PERFECTDATA CORPORATION
             (Exact name of Registrant as specified in its charter)

                              California 95-3087593
                  (State or Other Jurisdiction of (IRS Employer
               Incorporation or Organization) Identification No.)


         1445 East Los Angeles Avenue, Suite 208, Simi Valley, CA 93065
               (Address of principal executive offices) (Zip Code)


               Registrant's telephone number including area code:
                                 (805) 581-4000


(Check one)

|_| Form 10-K or Form  10-KSB  |_| Form 20-F |_| Form 11-K |X| Form 10-Q or Form
10-QSB

         For period ended:  June 30, 2004

         |_| Transition Report on Form 10-K or Form 10-KSB
         |_| Transition Report on Form 20-F
         |_| Transition Report on Form 11-K
         |_| Transition Report on Form 10-Q or Form 10-QSB
         |_| Transition Report on Form N-SAR

         For the transition period ended:

       Nothing in this form shall be construed to imply that the  Commission has
verified any information contained herein.

       If the  notification  relates to a portion of the filing  checked  above,
identify  the item(s) to which the  notification  relates:  Part I -  Registrant
Information

         Full name of registrant:  PerfectData Corporation

         Address of principal  executive  office (Street and Number) City, State
         and Zip Code: 1445 East Los Angeles Avenue, Suite 208, CA 93065


Part II - Rules 12b-25(b) and (c)

         If the subject report could not be filed without unreasonable effort or
expense  and  the  registrant  seeks  relief  pursuant  to Rule  12b-25(b),  the
following should be completed. (Check appropriate box.)

         |_| (a) The reasons  described in reasonable detail in Part III of this
form could not be eliminated without unreasonable effort or expense;

         |X| (b) The  subject  annual  report,  semi-annual  report,  transition
report on Forms 10-K, 10-KSB,  20-F, 11-K or Form N-SAR, or portion thereof will
be filed on or before the 15th calendar day following the  prescribed  due date;
or the subject  quarterly report or transition report on Form 10-Q, Form 10-QSB,
or portion  thereof will be filed on or before the fifth  calendar day following
the prescribed due date; and

         |_| (c) The  accountant's  statement or other exhibit  required by Rule
12b-25(c) has been attached if applicable.


Part III - Narrative

         State  below in  reasonable  detail the  reasons why Form 10-K and Form
10-KSB,  20-F,  11-K,  10-Q,  and Form 10-QSB,  N-SAR or the  transition  report
portion thereof could not be filed within the prescribed time period.

         The Company is in the process of restating its financial statements for
the fiscal years ended March 31, 2004 and 2003 in response to letters of comment
from the Staff of the Securities and Exchange  Commission that its operations be
reported on a continuing and not  discontinued  basis. As soon as that Amendment
to its Form 10-KSB is filed, the Company can file the Form 10-QSB, which will be
filed not later than August 23, 2004.


Part IV - Other Information

1.  Name  and  telephone   number  of  person  to  contact  in  regard  to  this
notification.

            Irene J. Marino            805                         581-4000
                (Name)             (Area Code)                (Telephone Number)

2. Have all other  periodic  reports  required  under Section 13 or 15(d) or the
Securities  Exchange Act of 1934 or Section 30 of the Investment  Company Act of
1940  during  the  preceding  12  months  or for such  shorter  period  that the
registrant was required to file such report(s) been filed?  If the answer is no,
identify report(s).

                                                                  |X| Yes |_| No

3. Is it anticipated  that any significant  change in results of operations from
the  corresponding  period for the last  fiscal  year will be  reflected  by the
earnings  statements to be included in the subject report or portion thereof? If
so: attach an  explanation  of the  anticipated  change,  both  narratively  and
quantitatively, and, if appropriate, state the reasons why a reasonable estimate
of the results cannot be made.

                                                       |_| Yes            |X| No


                            PerfectData Corporation _
                  (Name of Registrant as Specified in Charter)

has  caused  this  notification  to be signed on its  behalf by the  undersigned
thereunto duly authorized.

Date:  August 16, 2004                          By:  /s/ Irene J. Marino
                                                         Irene J. Marino
                                                         Chief Financial Officer