This question already has an answer here:
Bug introduced in 10.0.1 and fixed in 10.0.2
Recently I've installed Mathematica 10.0 on my Ubuntu 14.4
Now I have some problems with its front-end, in particular it shows all lines as dashed ones (including lines on the right which stand for cells and cell groups).
Has someone ever had such an experience? I'm wondering whether it is because of wrong installation or some front-end packages are missed or smth
This is how it looks:
This is how it should look:
Reinstallation doesn't help.