the software of Kubuntu are no longer shown

[nicrnicr]

Dear all,

As Skype was no longer working, I deleted it and I installed it again. The new Skype was working.
But since this moment the softwares of Kubuntu are no longer shown (between "favorite" and "computer"). Therefore I can no longer choose any software with the mouse. Please, would you know what I could do?
I can also no longer shut down the computer.

[Myrddin Emrys]

I assume you cannot Logout as well (if you can, can you reboot from there?) so Type CTR-ALT-F2, log in with your name and password, type "reboot" and press RETURN. It might take a while but it should reboot the system. After this let us know the situation.

[nicrnicr]

Thank you Myrddin Emrys for your answer. Indeed, I couldn't logout as well. I wrote shutdown and since then, I can no longer start, which is the subject of another post...

[nicrnicr]

I erased the system and installed a new one on it.