Download FixList.txt from attachments …

FixList.txt must be in the same location where FRST.exe tool is!

Re-run FRST.exe as you did before …

[*] Press the Fix button once and wait.
[*] FRST will process fixlist.txt
[*] When finished, it will produce a log fixlog.txt and will keep that log in the same folder where FRST.exe is.

Attach here fixlog.txt logreport.

*********** Next ***********

Uninstall Avast, download and run Uninstall Utility
http://www.avast.com/en-us/uninstall-utility

Then re-install Avast