Your install path is good Math_72, but "executing" with the Read-only off is not enough. You do need to use either the included 4Gig Patch or LargeAddressAware applet and enable Windows to assign more memory for the SH4.exe program to use. While you are on the SH4.exe "Properties" page for that "Read-only" Attribute, click also on the "Compatibility" tab and set the other attributes, in addition to the Win7 Compatibility, such as "Disable full-screen optimizations", "Run this program as an administrator", and also use the "Change high DPI settings" button and set that to "Application" control:
Let us know how you get along!
