Unity dash freezes when open on ubuntu 14.04

[daniii10]

Halo everyone.
I'm kind of new to ubuntu. i used ubuntu 4 years ago and return to windows, but now i wanted to start using ubuntu again and got a serious problem.
after some attempts to install my Nvidia driver in ubuntu i had some problems but the system worked until suddenly i open the dash and the all system freeze my mouse freeze even my keyboard not working nothing work the system freeze completely.
I tried the solutions here: http://jiakaizhang.com/fix-frozen-after-login-in-ubuntu-14-04/
non of them worked. If anyone can help me I'll be grateful. I'm using ubuntu 14.04 LTS on dell inspiron 5720 and nvidia ge force 630m and dual boot with windows 8.1
thanks.

[daniii10]

Never mind i found the solution the problem was the icons i installed i change it and now it's good.

[flaymond]

Please mark your thread as solved. That's good to hear you fixed the problem. :)