Error "firma file non valida" trying to update

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Hi, I'm new here, so I'd like to say hello to all the users of this forum!

I need your help because I have an issue trying to update the program. The current version is 10.4.2233. The program notify me that there's an update available (11.1.2245), but the update process end at step 2/3 with the error "firma file non valida" (that is something like "sign file not valid" in english).

What can I do? If you need any more details about this issue just tell me.

Thank you in advance!

Alberto

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I'm having the same issue.  The last time Avast AV was able to update signatures was at 6:35 EST this morning.  Repeated retries give me the error "Last encountered error: Invalid file signature.  Setup will terminate."  Running Avast Internet Security 11.1.2245.

[Eddy]

https://forum.avast.com/index.php?topic=181035.msg1280278#msg1280278

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Thanks for your reply, Eddy. I still have issues with automatic update, I'll try again tomorrow and eventually I'll try to do a manual update.