Some nVidia GeForce drivers have problems with PostScript fonts and OpenType/CFF fonts (which are based on PostScript glyphs).
Usually updating videeo driver to newer (or older) version fixes the problem.
- nVidia GeForce 9600M GT - a new video driver ver 179.48 fixed the problem with Type 1 fonts.
- nVidia GeForce 9400GT with 182.22 (6.14.11.8122) is OK.
- nVidia GeForce 9400GT with 182.50 (6.14.11.8250) has problems with Type 1 fonts.
- nVidia GeForce 6600 with 178.24 (6.14.11.7824) is OK.
- nVidia GeForce 6600 driver version 182.22 - not tested yet.