The WinCsFlags.exe program accepts an undocumented command line argument “-w”.
When you invoke it like this:
WinCsFlags.exe -w
it will go into a never-ending loop waiting for the debugger to be attached.
1 little known secret of WinCsFlags.exe
Category Archives: Archaeology
1 little known secret of UIEOrchestratorStub.exe
When you run UIEOrchestratorStub.exe it executes UIEOrchestrator.exe program located here:
%SystemRoot%\uus\<architecture>\UIEOrchestrator.exe
So, changing the SystemRoot environment variable to point to your chosen path will lead to execution by proxy.
On a 64-bit Windows 11 26H2, we can try this:
set systemroot=c:\test
UIEOrchestratorStub.exe
which will launch:
c:\test\uus\amd64\UIEOrchestrator.exe