12.1.2272 infinite usage HD AND CPU FROM AVASTSVC.EXE

Avast Free Antivirus / Premium Security
1

I installed the 12.1.2272 version of 30 minutes, I rebooted and is thirty minutes that damn avastsvc.exe using hd and cpu !!!
It is slowing down the pc I’m sick!
What do I have to do??? >:( >:( >:( >:( >:( >:( >:(

2

:o :o
Reboot 1
Reboot 2
Reboot 3

Now seem ok.

:o ? ? ? ? ? ?

3

Perform a repair and check if the problem is solved.
If not, perform a clean installation.