Have Garmin Oregon 220 and Win7 x-64 based PC. Downloaded/installed Base Camp, MapSource, and PA topo. Topo installed but not visible in either BC or MS. Downloaded installed MapSetToolKit: It only opens through WinZip. (I also see a .cfg file I can't access and asks what program I want to use to open it.) Downloaded and installed cgpsmapper. When running MapSetToolKit, the IMG files show, but the cgpsmapper/cpreview folder is greyed out and there is no cursor. I consider myself pretty computer literate, but it's not all coming together. Seems to be no relationship between BC, MS, MSTK, or cgpsmapper.