Pic's not programming.
Have you tried the .1uf across both sets of Vdd & Vss pins? Not on the programmer, I mean right across the pins, right at the PIC, like within a couple of mm of the pins themselves, even if they're only temporary.
I've got a Warp13a and none of my 18F1230's, 18F2550's (basically anything with the 'Nanowatt' feature) will program correctly without those cap's in place, right at the PIC.
I know you've tried the cap's as mentioned in earlier posts, but, I didn't see any mention of being right at the PIC.
JDG
EDIT: Another thought...
A totally seperate issue that has tripped me up with the Warp13a and it's associated software/firmware is various pieces of background Windows software messing with the serial and USB ports. Specifically, all those programs that monitor hardware temperature, voltages, fan speeds, etc. Every time one of those would update, it would cause my programmer to crash, not the firmware, but the actual programmer itself. Dont' ask why...I don't know. Suffice to say, I shut all that crap off when I'm PIC'ing, and all is good.
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