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Tag: CyBlock Client

Supported browsers for CyBlock Client

CyBlock Client can be installed on Windows 10, 7, and XP machines and works with Chrome, Internet Explorer, and Firefox. The Edge browser is not compatible with CyBlock Client because of a change in the technology of this new browser.

You may want to remove Edge to avoid it being inadvertently used by CyBlock Client. See How to Remove Microsoft Edge from Windows 10 for more information.

For instructions on how to install and use CyBlock Client, see CyBlock Client User Guide.

If you have any questions, please contact Technical Support at (321) 953-5351, Ext. 4 or

Preventing a sync from occurring with CyBlock Client

You can prevent certain installations of CyBlock Client from receiving any synced data. This is done through a registry edit on the client machine.

  1. Go to “HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Wavecrest\LayeredServiceProvider” in regedit.
  2. Click the name of “AnnounceStatus.”
  3. Set “value data” to hex value of “0” = no sync for CyBlock client.

To reverse this:

Set “value data” to hex value of “10” = sync is allowed for client.

Permission error message on CyBlock Client installation

The CyBlock Client installation requires the following prerequisites:

  1. .NET Framework 4.0 or later: dotNetFx40_Full_x86_x64  [actual install file name]
  2. Microsoft Visual C++ 2010 Redistributable:
    • 64-bit: vcredist_x64    [actual install file name]
    • 32-bit: vcredist_x86    [actual install file name]

Users will get permission error messages if these prerequisites are not installed first.

If the installation fails due to lack of proper prerequisites, do the following:

  • Close out failed installation.
  • Download and install prerequisites (noted above).
  • Reboot the workstation.
  • Install CyBlock Client.

Note:  Remember to configure CyBlock Client via the system tray procedure.