tambien queria mencionar que yo tuve problemas al reinstalar Avast.
Me recomendaron esto:
first try this http://public.avast.com/~forejt/aswClear.exe… it will delete all files and reboot
y esto:
So what i should do next is:
go to:
1- http://public.avast.com/~forejt/aswClear.exe. and this will delete only all old avast files thay may be still in the computer and reboot
2 - get the malwarebytes program and run it to see if there is still traces of the virus.
3 - try to reinstall Avast 5.o
y si eso no funciona:
Follow this guide from Essexboy and post the logs here, so he can have a look…
http://forum.avast.com/index.php?topic=53253.0
al hacer el OTL log pueden ver que problemas tienes y aconsejarte.