Normal, when i want 2 remove (uninstall) a program, I click Start > Settings > Control Panel > Add or Remove Programs. But with Open Office we can't see it.
After do these steps, you can remove Open Office very easy ...
Step1: Click to Install file (the file that you download to install Open Office)
Step2: Run it normal, till when U see 3 Choices, click 2 "Remove".