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Taskbar button flash when activating window on secondary monitor

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14 discussion posts
This isn't a huge deal, but I and others in our shop are seeing a bit of a glitch on Vista64 + Aero + DF v3.1.8.

Whenever we change the focus from a window on the primary monitor to a window on the secondary monitor (via mouse click or Alt-Tab), the button for the window on the secondary monitor appears for a split second on the primary taskbar then disappears.

Anyone else seeing this?

A portion of the troubleshooting detail:
***** Machine
Operating System: Microsoft Windows NT 6.0.6002 Service Pack 2 (6.0.6002.131072)
Detected Version: WindowsVista / Server2008 (WindowsVista / Server2008)
CPU: x64
Date/Time (UTC): 03/26/2010 14:43:41
Date/Time (Local): 03/26/2010 09:43:41
.NET Framework: 2.0.50727.4200
CurrentCulture: English (United States) (en-US ~ en)
CurrentUICulture: English (United States) (en-US ~ en)
On Battery: No

***** DisplayFusion
Name: DisplayFusion Pro v3.1.8
Build Date: Mar 17, 2010 18:17
Pro: True
Command Line: "C:\Program Files (x86)\DisplayFusion\DisplayFusion.exe"
Current Folder: C:\Windows\system32
Performance Mode: False
Application Hooks: True
System Hooks Pause FullScreen: False
Process Integrity Level: High
Font Scaling: 1
Mar 26, 2010  • #1
Jon Tackabury (BFS)'s profile on
How long is the taskbar item visible? If it's around 50ms, that is unfortunately the case on some machines. If it is visible for 750ms or more, it sounds like the hooks aren't loading correctly. Did you reboot after updating to the new version (3.1.8)? Sometimes a reboot is required, but not prompted for in rare situations.
Mar 27, 2010  • #2
User Image
14 discussion posts
It appears to be visible for a very short amount of time, probably closer to 50ms than 750ms+. :-(

Not a big deal.
Mar 30, 2010  • #3
Jon Tackabury (BFS)'s profile on
Unfortunately this is unavoidable, and for some reason is more visible on some machines than others. :(
Apr 15, 2010  • #4
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