Error: Virus definitions are not up to date (Release date was invalid date)

Avast Free Antivirus can not update its virus definition from yesterday
Error message is Virus definitions are not up to date (Release date was invalid date)

Note:- My PC date is correct & sync with an internet time server (time.windows.com). I have performed the avast repair method but problem is same

Please investigate the issue & fix it ASAP.
Thank You.

Hello.

Did a clean install of Windows 10 Pro on my PC, including any Windows Updates.

Installed my Avast Premium Security and got the same error as you.

Tried a repair followed by a restart but still got the error.

Yet another issue with the recently released build.

Done yet another Windows 10 Pro clean install.

Detected an error with one of the two graphic cards, which I corrected.

Then installed Avast Premium Security and this time all went okay.

Today virus definition updated automatically.

Now showing ‘Virus definitions are up to date’.

But ‘Release date was invalid date’ message still present.

I’ve been having the same issue with Avast for the last week or so. I’ve done all the described fixes of “Repair” and “Rebooting” but I still get “Release date was invalid date” message on both updates.

To be honest, as a VERY long Avast user (remember when Avast had the funny GUI!) I’ve about “had it”. Avast seems to be mirroring the Google model of starting out as a small responsive company that grew into a huge company that’s now slow, unresponsive, with quality issues and more interested in profits. I have to add I’m still troubled by the “spyware” scandal, which also smells of Google!
(End of Rant!)

So, if the fix is to do a clean install, maybe its time to go looking for a new product.

It appeared here like my definition updates were hung after the program update, even after the customary 2 Windows restarts (belt and braces).

@gheth54
Have you tried doing a manual Update via the UI?
Menu>Settings>Update>

Since I did that, my definition updates now seem back to arriving automatically,
But that may just be a coincidence.

I think that there is a problem here. I have the 1.0.505 GUI.

In Menu>Settings>Update I’m getting the message “Virus definitions are not up to date” and it is reporting that the time and date of the last update was 8 April 2020 at 16:36 (ver 200407-0). As I write, that is only about 20 minutes ago so the message seems wrong. The message wasn’t there earlier. I never saw this message with the previous GUI. I also got a similar message about this time yesterday afternoon.

Looking at the defs on my disc, I see *.bin files are still arriving with time stamps later than 16:36 which the GUI isn’t taking into account in its display.

I cleared the message in the GUI with a manual update of the definitions and that moved me on to ver 200408-04. Whether that was a planned update to the definitions I cannot say.

Yes, I’ve done a manual update for both machines running Avast. Both acted like they updated the definitions, but on finishing still display the “Release date was invalid date” on the update page.

ver 200408-04 Release date 9 April 12:11 is what I currently have for definitions. Seems to be updating automatically OK.
That is with UI 1.0.505.

Thank you: yes, it is updating OK here too.

Mine is an odd error message - one has to go looking for it, as it doesn’t (here at least) trigger a notification - and I wonder if the GUI gets confused when thinking of going from one day’s sequence of definitions to the next. Yesterday, when I saw the message, I was on 200407-0 and (possibly) the system wanted to go to 200408-04.

I think that, if I see the message again today, I will leave it and see what happens next time I restart the PC.

Hi,

Concerning the issue "Release date is/was invalid date) - the Devs are aware of this and are working on a fix.

Thank you

Thank you for the update.

Are the definitions getting pushed and downloaded correctly, but the information is not updated correctly?

Thank You. Hope this will fix in next program update.