You should have also received

Application popup: perl.exe - Unable To Locate Component : This applic
+ation has failed to start because DB2APP.dll was not found. Re-instal
+ling the application may fix this problem.
[download]

http://cpansearch.perl.org/src/IBMTORDB2/DBD-DB2-1.71/README

*** *BEFORE* BUILDING, TESTING AND INSTALLING this you will need to:

    Build, test and install Perl 5 (Preferrably 5.006_00 or later)
    It is very important to TEST it and INSTALL it!

    Build, test and install the DBI module (at least DBI 1.21).
    It is very important to TEST it and INSTALL it!

    Remember to *read* the DBI README file and this one CAREFULLY!

    Ensure the following DB2 product is installed.

        DB2 Application Development Client v7.2 or later
            Included with the DB2 Personal Developer's Edition and the
            DB2 Universal Developer's Edition

    The Application Development Client can be downloaded here:

    http://www.ibm.com/software/data/db2/udb/support/
[download]