What steps will reproduce the problem? 1.Just start the GUI 2.Download/Upload something

What version of the product are you using? On what operating system?

Latest SVN

Please provide any additional information below.

To fix it add to the MainForm Constructor:

torrentsView.GetType().GetProperty("DoubleBuffered", System.Reflection.BindingFlags.NonPublic | System.Reflection.BindingFlags.Instance).SetValue(torrentsView, true, null);

and same for the peersView