pgAgent on workstation/client

Hi,

I am using *.bat file for database backup on client/workstation. I run bat file from the same client machine manually. Contents of file are:
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cd C:\"Program Files"\"pgAdmin III"\1.8\
pg_dump -h host -U postgres -f "D:\dbackup\%date%.sql" dbasename
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Now, I want to automate process with pgAgent if possible. I have installed pgAgent from pgAdminIII running sql script as it is stated on http://www.pgadmin.org/docs/1.4/pgagent-install.html.

From command line, service is created: C:\"Program Files"\"pgAdmin III">pgAgent INSTALL pgAgent hostaddr= hos.tad.dre.ss dbname=dbasename user=postgres

Service is running.

Now, following online installation there should be jobs when I connect to database in which pgAgent is installed, but there are none. PgAgent is just in catalogs, no changes in schemas tree.

I did something wrong, or I should create jobs manually?

Regards