Try the 3.10.9 VM that I just uploaded to squeakvm.org:

http://squeakvm.org/win32/release/SqueakVM-Win32-3.10.9-bin.zip

It no longer has that border.

Cheers,
   - Andreas

Ian Trudel wrote:
> Hello folks,
> 
> I am currently using Squeak/Win32 3.10.2 and there is a small border,
> located between world and the host window. It seems to be in the host
> window, considering that this border is not present when Squeak is in
> full screen. How can one get rid of it?
> 
> Thanks,
> Ian
> 
>