Version: unknown (using 4.4.2 (KDE 4.4.2), Arch Linux) Compiler: gcc OS: Linux (x86_64) release 2.6.33-ARCH When KMail starts it also starts Akonadi. It shows the progress bar for starting Akonadi for a while, and then a message pops up telling that Akonadi failed to start because of "missing helper agents" (translated, so I might be off). When I check akonadictl status or the Akonadi kcm, it shows Akonadi is running. And indeed, if I start KMail again, no Akonadi message whatsoever and KMail just works. I removed the "standard" addressbook entry in Akonadi and replaced it with a vCard file addressbook. The other sources are the defaults + some nepomuk stuff.
*** This bug has been marked as a duplicate of bug 230247 ***