Lead Developer
@Juergen – interesting – not experiencing that on my end. I know another user found that the updater used for the plugins was firing too much – we’re working with the developer of the plugin updater to fix that. One thing you can try is increasing your memory: http://generatepress.com/knowledgebase/increasing-memory-limit/
@hing lee – $30 😉 – have you taken a look at the instructions here?: http://generatepress.com/knowledgebase/install-activate-addons/