This page is a collection of instructions how to save Maemo OS if it is acting up. Steps go from mildest to the most extreme solution: reflashing (see the last title)

Remove possible unstable applications

This step can be ignored if you haven't enabled Extras-devel -repository. If you have, you should look at the list and see if you have some extras-devel software installed.

Final solution

Updating the tablet firmware is the final solution. It deletes all user data and reverts all settings to default.