Re: [langtitle=es]BSOD Power State Failure ntoskrnl.exe+d1574 halmacpi.dll HEELP[/langtitle]
You may want to continue with uninstalling Avast just in the interest of normalizing you computer as much as possible, you can always re-install it later.
Additionally some older drivers to take care of
sptd.sys 7/26/2009 14:12 = related to Daemon Tools uninstall it and it's drivers refer to this post by cybercore sptd.sys Link Removed
TuneUpUtilitiesDriver32.sys 9/17/2009 5:54
and
PCTCore.sys 11/5/2009 16:19 probably both related to TuneUp Utilities (PC Tools, etc.) consider updating or uninstalling.
yk62x86.sys 9/28/2009 0:33 = Miniport Driver for Marvell Yukon Ethernet Controller (google for possible update).
and since your three most recent dump...