When trying to create or edit an existing PXE Configuration and clicking the Create Boot Image button in the Ghost Solution Suite (GSS) Console, it appears to do nothing. This should normally bring up Boot Disk Creator.
GSS 3.x
Corrupt WinPE environment
Upgraded the Windows ADK (Preboot OS / Automation Environment) to the latest version for Windows 11 and this issue went away. The procedure for this is included in the Additional Information section shown below.
It may have been possible to reimport WinPE for Windows 11 x64 (screenshot below) and the issue should go away.
Steps to Update or Import the Windows Preboot OS are descibed in KB article Download, Install then Import Windows Preboot Operating Systems Into Ghost Solution Suite 3.X (Console Installation)