3 messages in com.googlegroups.sketchupissuesRe: Coloured squares following the mo...
FromSent OnAttachments
Fluffysilver10 Jun 2008 02:39 
TaffGoch10 Jun 2008 18:35 
Fluffysilver13 Jun 2008 04:07 
Subject:Re: Coloured squares following the mouse.
From:TaffGoch (Taff@gmail.com)
Date:06/10/2008 06:35:58 PM
List:com.googlegroups.sketchupissues

I know the title doesn't match your problem description,...

http://sketchup.google.com/support/bin/answer.py?hl=en&answer=39694

...but try the graphics settings described (experiment a little.)

Disabling 'Fast Feedback' works for most users. Be sure to read the whole page, about updating the OpenGL graphics driver for your system.

Regards, Taff