Cache cleaning had no effect. Tried to update again with fp2-sibon-16.12.0-ota-userdebug.zip No result. Clock closing, gallery distorted (music and pictures) It is running but it's a mess.
Backup before Updating was incomplete. (my fault) Random boots should be from the case.
Has anyone fp2-sibon-16.11.0-ota-userdebug.zip for a download?? Is it possible to switch back to the version before??? That version was stable with xposed and openGapps.