That was it, I had a .gtkrc-2.0 file in my user folder. I had previously used (a good while back and forgot about it) the GTK+ Preference Tool. It creates that file in your user folder that apparently doesn't play nicely with Deluge. Once I deleted that file the Deluge client looked much nicer.

Hi, I have two machines, both running Win8.1x64. On one pc, deluge looks good, on the other it looks like it's using the basic gtk ui or something? Screenshots below. Ugly client UI: deluge_1_3_11_win8.png Nice client UI: deluge_1_3_11_win8_nice.png Do I need to install a python library on my machin...