The grey area seen on the title load has the same dimensions as one face of a standard pushable TR block (cube). It should appear perfectly square on your monitor.

If this is not the case a widescreen patch could be applied from the set-up program. (just make sure that this or another widescreen patch is targeted). 

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The load bar should be seen in its entirety and not stretch out to beyond the edge of the screen.

If this is not the case you could try some different screen resolutions.
	   