Bug: Main Screen not being restored to full screen from taskbar

Main Screen not being restored to full screen from taskbar.

My system:

  Manufacturer Dell Inc.
  Model Inspiron 1720
  Total amount of system memory 4.00 GB RAM
  System type 32-bit operating system
  Number of processor cores 2
  64-bit capable Yes

  Total size of hard disk(s) 230 GB
  Disk partition (C:) 114 GB Free (220 GB Total)
  Disk partition (D:) 6 GB Free (10 GB Total)
  Media drive (E:) CD/DVD

  Display adapter type Mobile Intel(R) 965 Express Chipset Family
  Total available graphics memory 359 MB
        Dedicated graphics memory 0 MB
        Dedicated system memory 128 MB
        Shared system memory 231 MB
  Display adapter driver version 7.14.10.1322
  Primary monitor resolution 1440x900
  DirectX version DirectX 9.0 or better

 OS Name Microsoft® Windows Vista™ Home Premium
 Version 6.0.6002 Service Pack 2 Build 6002
 Processor Intel(R) Core(TM)2 Duo CPU T5450 @ 1.66GHz, 1667 Mhz, 2 Core(s), 2 Logical Processor(s)
 BIOS Version/Date Dell Inc. A06, 1/14/2008
 SMBIOS Version 2.4

Software version: 4.0a Beta 3.
Reported by Steve Clark.
Forum link: http://community.logos.com/forums/t/6672.aspx
Status: fixed in 4.0a Beta 4