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WinSqmAddToStreamEx could not be located

That stupid error took me ages to figure out, it turns out is is pretty simple, but searching the web I could only find people reporting the problem, and nobody came up with a solution, so here it is:

You are running a Windows 7 DLL on Windows Vista, get rid of it.

In my case I had a d3d9.dll that belonged to Windows 7 on Windows Vista and it was looking into ntdll.dll for a function that does not exist on Vista.

• ntdll.dll version on Windows Vista is 6.0
• ntdll.dll version on Windows 7 is 6.1

WinSqmAddToStreamEx is one of the functions that have been added by the ntdll.dll 6.1 version. For reference, here is a list of exported functions and corresponding ntdll.dll versions here: (link)