What's in your differential geometry toolbox?
I found a way to get the ini file to run automatically. Maple only executes the first .ini file that it finds in a subdirectory, so if you place a maple.ini file in the bin.win (or bin.wnt) subdirectory as instructed it won't execute because there is already a launch.ini file in that subdirectory.
The solution is to place the maple.ini file in the LIB subdirectory, and then it will execute on Maple startup.
My GRTensorII is now up and running with your suggested addition. However, it isn't loading libraries (such as basislib.m) automatically as it should.