Demon and Steve:

Thanks for the sugestions guys, tried them to no avail.

I don't have a 16F877, but I do have a 16F876. Tried it and it does not make a difference. Also tried a 16F819 it also behaves the same way.

Tried 1k pull down on PGM pin, no difference.

LVP is disabled in programmer. BTW, it's a PicKit 2, I have two of them both program fine. I can change the fuse settings and verify that the changes are making it to the PIC.

Now as to the breadboard. The breadboard that I normaly use is chocked full of another project (thats another story), so I borrowed one form my son, its a cheap-O from Jameco. Now that you bring it up, I'm starting to question if it might be the problem... I'm going to build this circuit up on a custom PCB and see it that solves the problem. Might very well be the culprit.

Very strange that I have to ensure that all pins on PortB are low before the ADC will read below 0.063 Vdc on AN0.

Thanks,
Ron