> 3 0x00451cc7 in cdr4_2k.sys (+0x1cc7) (0x7eda76c0) This is CD/DVD recording driver - won't work any time on Wine. Just remove it. > Now this is a weird stack. Why did load_driver() try to call ExInitializeZone()? Ask driver developer I guess. Load_driver() does call ... driver init function. So the call is happening inside the driver.