That's not a normal behavior. Try to reset your OOo profile. If no improvement, make sure there is no security application preventing OOo from running. I think I've seen a thread with a similar issue but not sure. You should search the forum with at least the 'scroll*' keyword.
AOO 4.1.2 on Xubuntu 15.10 (Wily Werewolf) and PortableApps port 4.1.2 on Windows 7