synaptic: On the very first start the quick-filter field + the label placed above are not displayed. Successive starts (with/without reboot) show both. --> probably rebuilding its index.
The users and groups asks for password and when it opens the window it appears ask for password again and it gets in an infinite loop.
Ppa fonts do not open through the system central, neither by the update manager nor by the menu.
Bluetooth in system settings takes several minutes to open.
Desklets in the Download option, the download failed with the following message “A problem occurred while trying to access the server, please try again later. Details: HTTP Error 400: Bad Request ”