EXHIBIT 99.1

NEWS RELEASE
COMPUWARE CORPORATION                                           (COMPUWARE LOGO)

Corporate Headquarters
One Campus Martius o Detroit, Michigan 48226
(313) 227-7300


FOR IMMEDIATE RELEASE

OCTOBER 4, 2004


           COMPUWARE EXTENDS VANTAGE SOLUTION WITH ACQUISITION OF JAVA
                         APPLICATION MANAGEMENT PRODUCT


DEVSTREAM ACQUISITION FORTIFIES COMPUWARE STRATEGY OF SUPPORTING ENTERPRISE JAVA
      APPLICATION LIFE CYCLE; ENABLES IT ORGANIZATIONS TO MORE EFFECTIVELY
                         MANAGE ENTERPRISE APPLICATIONS


DETROIT--October 4, 2004 --Compuware Corporation (NASDAQ: CPWR) today announced
that it has acquired the technology assets of DevStream Corporation. Based in
Colorado Springs, Colorado, DevStream is a privately owned software company that
has developed an advanced J2EE performance analysis product.


Compuware will integrate the DevStream product into Compuware Vantage, a leading
application service management solution that helps IT organizations manage
applications from the end user perspective, supported by end-to-end performance
analysis capabilities. DevStream capabilities will significantly enhance and
extend Vantage's end-to-end analysis for J2EE application servers, allowing
enterprises to deliver excellent transaction-centric service for their
business-critical J2EE applications.


"Managing the performance of enterprise J2EE applications is a challenging
task," said Tommi White, Chief Operating Officer, Compuware Corporation.
"DevStream provides powerful technology that will allow our customers to more
effectively manage J2EE application service. This acquisition reflects
Compuware's commitment to the J2EE platform and complements our existing J2EE
development, debugging, testing and management capabilities."


COMPUWARE CORPORATION

Compuware Corporation (NASDAQ: CPWR) maximizes the value IT brings to the
business by helping CIOs more effectively manage the business of IT. Compuware
solutions accelerate the development, improve the quality and enhance the
performance of critical business systems while enabling CIOs to align and govern
the entire IT portfolio, increasing efficiency, cost control and employee
productivity throughout the IT organization. Founded in 1973, Compuware serves
the world's leading IT organizations, including more than 90 percent of the
Fortune 100 companies. Learn more about Compuware at http://www.compuware.com/.


                                       ###


FOR SALES OR MARKETING INFORMATION

Compuware Corporation, One Campus Martius, Detroit, MI, 48226, 800-521-9353,
http://www.compuware.com







Compuware Extends Vantage Solution With Acquisition of Java Application
Management Product
October 4, 2004
Page 2



PRESS CONTACT

Lisa Elkin, Compuware Corporation, 313-227-7345, lisa.elkin@compuware.com


Compuware is a registered trademark of Compuware Corporation. All other product
and company names are trademarks or registered trademarks of their respective
owners.