> I have to modify my d2 report. > Kernel panics occur on shutdown. > > On starting up again, all is normal. No extended time seems to happen > in the > grey screen/logo stage of booting. I am just done installing 10.2 and then 10.3 again. this really sucks. anyway i figured out, that it was not actually the kernel extensions, but the KEXT-cache which could be screwed up. just do these commands in Terminal.app cd /System/Library sudo kextcache -m Extensions.mkext Extensions/WirelessDriver.kext sudo kextcache -L -N -e -m /System/Library/Extensions.mkext mick