As you all might know the HP Root Certificates expired on July 23rd 2013. This causes the App Catalog not to work anymore amongst a number of other things.
Most people can update their root certificates by updating their App Catalog using the instructions as provided by HP, however these instructions don’t seem to work for all people for some unknown reasons.
Therefore I have decided to make the installation files available here as well so you can install them yourself using WebOSQuickInstall for example:
For webOS 1.x:
Sorry I don’t have a 1.x device myself, but will try to obtain the IPK somewhere.