My wife has an HP laptop, model 14-1023cl if I can read the faded label correctly. If runs Windows 8 with one of the add-ons to make it look more like earlier versions. Maybe 8.1 instead? Sorry, I don't know. Avast runs daily. A few days ago it was very slow, and froze with a blank dull blue...
avast antivirus
bad sectorschunksectors
data recovery
device manager
disk issues
file system
freeze
hard drive
hard drive failure
hardware issues
hp laptop
mbam
process manager
slow performance
system faults
troubleshooting
usb adapter
windows 8
windows 8.1