Forum:NCR rep glitch

Ok so im stompin around the desert, got rex and veronica in my party, just raised the bomber from the lake for the boomers, sorted them out so they say they help me, so i go back to the NCR on the strip (my status with NCR is sneering punk at this time) to the ambassador dude and finish the dialogue, my rep raises with them, kudos for gettin help from the boomers right? not this time, some random ncr doosh comes runnin in (lord knows where from!) tells me im gna die and turns all hostile, this wouldnt've been a problem if i wasnt in the NCR building next to the ambassador and in close proximity to 10 other troops, but thats not my main gripe, as im running round the room dodging melee attacks from the ambassador and this skank trooper, i watch rex and V run out the room, aha i thought they gna kick some ass and im gna destroy the NCR on the strip, nope they disappeared... auto saved, game ruined, lost 4 hours of gameplay cus i relied on auto save...