Their forum provided this workaround: enabling "User redirect driver Mode" in AdGuard Desktop Advanced Settings...
Our advise do not use third party software with our product -)
I know, but current Kaspersky Anti-Banner module and performance is far from matching AdGuard performance, settings and customization, that's the reality 
This issue is back in current version KTS2021 b37.1270...
Reproduction steps:
having installed KTS2021 b37.1270, install AdGuard Desktop 7.3, and open a site in Safe Money + FireFox 72.
Actual result:
Got a certificate verification problem (see attached screen-shots).
Screen-shots:
If I click on "I understand..."
It seems there is a new build, my current KTS2021 .33.1168 was removed automatically (even without asking my permission!!!!) 
and after reboot the system a new build has been installed BUT IT SEEMS IS IN GERMAN LANGUAGE when I had English installed 
I could managed to change the language via SHIFT + F12!
Also I had KTS2021 beta and the auto update has installed KAV2021 b37.1270
Ok, thanks... it seems more a PUP/PUA/Adware tool then... 
The link to download it is very slow here, not more than 12kbytes/seg... but stable downloading at 6 Kb/seg
Meanwhile, is it a real-time tool? then should be incompatible with Kaspersky or tagged as it?
Hum this link is a compressed small file of 85Kb with file 2345Base.sys inside , so how can We test it?
