Sounds like your car doesn't like them. Personally, I'd start fresh, you can find very good HID kits from DDM Tuning, takes a couple weeks to get them cause they ship from China, but they're quality HID's with a lifetime warranty. I've had mine on since November last year and I've had ZERO issues, for $50, you can't beat it.
X2 on this one, just sounds like you have a bad kit.
I have been running DDM kits in my cars for several years now with no issues.