Macbook stuck in boot up

ok so my computer crashed and eveyrtime i turned it on it went straight to kernal panic, long story short i got a new harddrive.
i reinstalled all my files via time machine, it worked great and everything went back to normal for a bit. i had to get a 10.5 update (608mb) but then it gave an error when restarting that it couldnt install and that i should contact my manufacturer. i tried restarting and now its just at the part where it shows the apple logo and the spindle thing, and it doesnt go anywhere else. why is it doing this i just got a new hard drive and restored all my stuff from time machine
Message was edited by: i3urton31
Message was edited by: i3urton31

ok so resetting the PRAM didnt seem to work. im in verbose mode now, and right now its sitting at "bootcache: hit rate below threshold (873 hits on 2659 lookups) but before that a few times it mentions "GFX0: family specific matching fails"
before that it says
localhost kextd(24): kidload_frommemory ( ) failed for module /system/library/extentions/IOPlatformPluginFamily.kext/Contents/Plugins/ACPISMC_PlatformPlugIn.kext/contents/MacOS/ACPI_SMCPlateformPlugin
localhost kextd(24): kidload_frommemory ( ) a link/load error occured for kernal extention /system/library/extentions/IOPlatformPluginFamily.kext/Contents/Plugins/ACPISMCPlatformPlugIn.kext
Message was edited by: i3urton31

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