How to: Fix Transparency issue on BOARD WinClient popup windows

Document created by mik1893 Employee on Jul 14, 2017Last modified by ggallo on Jul 14, 2017
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BOARD Windows Client pop-up windows and messages might not be displayed correcly under some circumstances.

This may affect BOARD Clients running on Virtual Machine (OS Win 8, Win 2012 and using Citrix Console, ICA Protocol or VMWare Player).

As you can see below, Windows Client pop-up look transparent and/or fading, due to a rendering inefficiency

Wrong visualizationCorrect visualization


Possible Solutions

1) VMPlayer

Edit the Virtual Machine Settings > Display >3D graphics > Set the Accelerate 3D graphics parameter to true

2) OS Win8/10

  • Open up the Registry Editor (regedit.exe)
  • find the HKEY_CURRENT_USER\SOFTWARE\Microsoft key
  • create a new folder called Avalon.Graphics, then in that folder, create a new DWORD value called DisableHWAcceleration and set its value to 1.
  • Close the editor and restart the VM or OS


These registry settings are provided for troubleshooting, debugging, and product support purposes.
See also this Microsoft Article

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