Windows 7 Explorer can't save folder and preview panes

[jucachaves]

Windows 7 Explorer can't save folder and preview panes' size when maximized.

Video:
http://www.youtube.com/watch?v=0ge8pwpMDGA

Is there a way to fix it? ShellFolderFix is no good for that. I've been searching regedit with no success.

 

[jucachaves]

Tried this:

Windows Explorer - Vista - Pane size

Does not work.