@tharael89: ok, try first to
reset database
@donnieparker: I have some similar bugs. To be sure, try to reset the database you too.
(davidfor, where you are? ^^)
@Orn8one: well, I'm sure you can find some device where you can connect your Kobo, since it requires an USB connection

Go to a friend or an internet point.
About bug reporting, this thread is made by users for users. I think that some Kobo developers take a look to it, but its main scope is to have a community support and a list of bugs for deciding to upgrade or not to a X.Y firmware. If you want to report the bug to Kobo devs, read the first post