P16PRO Programmer Problem

I have a P16PRO PIC programmer. I am running v 0.16 (Jan 05) of the
programming software. I am having difficulty programming a 16F648A.

I get an immediate error message. The first location, 0000, should be
programmed with 3000, instead it programs with 0000. I can do a blank
check, I can read the device's data, and I can erase it. But I cannot
program it as the first byte programs incorrectly and the program stops
as intended.

When I read it: 0000 0FFF OFFF OFFF OFFF ...
After I erase it: 0FFF 0FFF 0FFF 0FFF 0FFF ...

So something is working here.

I can program 16F84As and 12C508As and 12C509As with no problem.

Has anyone had experienced this?

I am using the original programmer with 3 LEDs. I can't find the
schematic so I don't have the part number.

Any ideas?

Thanks in advance.
.