As part of the measures has been taken against the planned conference by various players, the director of Larus congress center pulled out of the contract arguing that the operator of the facility wasn't aware of the nature of conference when the contract was signed.
(Notes: It is not that hard to figure out what the phrase "by using all legal means" mean. Most probably the Hungarian government won't allow invited guest speakers to enter the country. Most likely Professor of Lomonosov Moscow State University Alexander Dugin won't get Hungarian visa and USA and other invited speakers that don't need visa to enter the country will be detained on bogus charges and won't be allowed to leave the airport. This is a commonly used procedure by governments to keep unwanted assets out of the country in the meantime, maintain the appearance of legality.
The Orbán government is under constant attack by various globalist power centers. Most recently, Obama accused the Hungarian government of harassing NGOs. Being under relentless attacks by the globalists, the government understandably doesn't want to open yet another front in the war on the nation by the atlanticists offering them an easy target that they can use as a pretext to continue or even intensify the attacks on the country.)
September 29, 2014
The interior minister called on organizers of the conference to give up on the plan to hold a conference in Budapest. Interior Minister Sándor Pintér instructed the national police chief to use all legal means at his disposal to prevent the conference from taking place because it violates Hungarian law. In addition, the minister ordered the police chief to impose travelling restrictions on the openly racist guest speakers of the conference.