The menus, menu bars, context menu, font menu, and font size menu only intermitently display text (some display as usual, some don't - not following any logical pattern that I can see). In place of the regular text, it just displays an underscore. All LibreOffice applications are like this, some to a greater extent than others. In addition, when I first login and click the Mint menu, a border appears, but nothing else. I must click somewhere else, and then click the menu again to see any programs. Also, text is sometimes partially displayed and sometimes not displayed at all in my KeePass password manager.
Attached is a screen shot of LibreOffice Writer showing what I mean.
I am running Linux Mint Maya 13 on my desktop.
I first noticed these issues after installing wine and theWord Bible software (or more specifically, after copying some Thai fonts to the wine fonts folder).
I have reinstalled LibreOffice (checked all related LibreOffice packages as "mark for reinstallation" in synaptic package manager and then applied changes). That didn't help anything.
So, my question is, how do I make menu, font, etc. text reapear in my LibreOffice aplications? I've been using Linux for a while, but am still somewhat of a newbie.

