Webmin's theme does not switch back

It's my first minutes with Virtualmin. I decided to see what themes are available and changed it to Blur Framed Theme, after which Virtualmin link on left top disappeared. Now I dont' know how to switch to Virtualmin. Anyway I did not like the theme and switched back Virtualmin Framed Teheme (I guess this was default theme). But still left frame does not want to show two links (Virtualmin, Webmin) on the top.

Before:

Now:

I want to switch back to before.