Have you recently changed your internet service provider, or the service you get from them?
That error message indicates that you IP address is being seen as located in one of the countries that is sanctioned from using certain software.
Some internet service providers in Europe have acquired ranges of IPs that were orignally allocated to Syria/Iran/Iraq/North Korea.
Some geoIP lookup databases still see these IP's as coming from the banned/sanctioned countries.
This can be a problem for users because some of these IP ranges are still being blocked from downloading and/or running certain software, or even visiting some sites.
It should get corrected in time, but at the moment I've seen a few forum posts here and elsewhere from European users who are being affected.
To see if this is your problem try using one of the following tools and seeing what country they say your IP is in.