A small observation that may help. I noticed that the certificate has listed a "non-approved property". I checked a few other recent MariaDB installers and they did not have any such "non-approved property".

Please see image (that I hope explains what I am writing!). ("Ikke-godkendte" in Dansih means "non-approved" in English). 

On Fri, Jan 19, 2018 at 2:17 PM, Peter Laursen <peter_laursen@webyog.com> wrote:
I would translate the dialog like this (but on a system with an English locale it may not be exactly like this).

"Windows Defender Smartscreen prevented an unknown app in starting. You may possibly expose your system to a security risk, if you are running this app".

On Fri, Jan 19, 2018 at 2:06 PM, Vladislav Vaintroub <vvaintroub@gmail.com> wrote:

What does it say in plain English?

 

We did not forget to sign the package, and you can check that by rightclicking on the MSI, Properties/Digital Signature, check the single one  in the list, press “Detail”.

It will show that signature is OK.

 

However, we did change Authenticode certificate, because the old one has expired yesterday.  The new certificate  is valid until 23 Dec 2019 (you can also check that by clicking on certificate details). I do not see what we’re doing wrong,  we’ll check.  Maybe the new certificate needs some reputation score, I’m not sure about it.

 

 

 

Sent from Mail for Windows 10

From: Peter Laursen
Sent: Friday, January 19, 2018 1:41 PM
To: Maria Discuss
Subject: [Maria-discuss] MariaDB 10.3.4 installation blocked ny MS "WindowsDefender" malware protection

 

Please see image. (you can clik "more info" adn the option to "install anyway" will appear.

 

Did you forget to sign the installer this time or has some certificate expired?

 

 

-- Peter

-- Webog