why avast on win 8.1 don't update automatically the virus def?

hi i have a problem with my new pc with win 8.1, it don’t update automatically the virus def. Why?? with the other my pc it work. thanks all

Is Windows defender disabled?
Any other security applications installed?
Already tried a repair of avast?
What happens if you try a manual update?
Anny error?

win defender is disabled
on default the pc have mcafee but i have delete this
i have tried to repair and also to delete and reinstall
with manual update no errors
i have the free version of avast

Did you use the McAfee removal tool ?

Have you rebooted after installing avast ?

mcafee deleted with control panel, then i have restart the pc
then install avast e restart the pc

You’ll find the removal tool for McAfee at:
http://service.mcafee.com/FAQDocument.aspx?lc=1033&id=TS101331
It needs to be run to remove the parts left behind after using the add/remove function.
After you’ve totally removed McAfee, reboot your system, then do a repair of avast!:
add/remove > select avast and scroll down to select Repair.
Reboot your system and let us know if that fixes your problem.
If not, a clean install may be needed. More on that if the repair doesn’t work.:slight_smile:

hello I have performed all the steps listed above but the problem still persists
Please help!!!

time for a diagnostic log …

see instructions here. https://forum.avast.com/index.php?topic=53253.0
scroll down to Farbar Recovery Scan Tool and attach logs here in this topic

when done, Essexboy will have a look when he is online later today

i used Farbar Recovery Scan Tool and i attach the two log

good … essexboy is usually online after work hours european time

Thanks Pondus i hope that we resolve this problem

Did you install an older version of Avast ? The reason I ask is that it is in the Alwil folder which to the best of my knowledge has not been used in a few years

Also you might want to replace Poki with an adfree version of windows 8 start menu http://www.classicshell.net/

Download Avast Uninstall Utility to your Desktop.
Download the correct version of Avast
Avast Free
Avast Pro
Avast Internet Security
Avast Premier
Disconnect from the net
Uninstall Avast via control panel

[]Run the uninstall tool and accept the reboot to safe mode
[
]Once complete reboot your system
[*]Reinstall Avast


hello, I ran across your procedure, I also deleted Poki, but the problem remains. I also cleaned up the registry with ccleaner, and made ​​a defragmentation.
help!

OK next will be to try a kick start, download and run the latest VPS from here http://www.avast.com/en-gb/download-update

fact downloaded and executed. He tells me to update esguito successfully . Now look tomorrow morning to see if it automatically update?

OK let me know as that will update the defs servers so there may have been a glitch in your copy

ok I 'll know tomorrow morning, if you want to have in the meantime I am attaching the log that I returned Faber .

Hello So as I said yesterday I Know Something Done about updates. Pc automatic updates turned on, but I’m not there. I am attaching my avast screen .

Could you try a manual update and let me know what error you get

no error