Trojan Horse Agent3.CHDH is defined as a Trojan virus that can root into system without your knowledge. It has been detected by AVG antivirus program which cannot take proper actions to deal with the infections. The virus can be installed from unsafe resources (corrupted videos&images from porn site/ free medias from unknown providers/ free software delivered by unsafe recourse) of unknown attachments carried with open spam emails. AVG program can automatically and keep displaying the attack massage until you end the window.
How to Safely Remove Trojan Horse Agent3.CHDH Virus/ Tips for Trojan Virus Removal | PC Problem Fix