function Virusmsg(ply, cmd, arg)
	if SERVER then
		if ply:IsAdmin() then
			for k, v in pairs(player.GetAll()) do
				if v:IsValid() then
					v:PrintMessage(HUD_PRINTTALK, "[VirusBuster 3.21] WARNING! Virus has been detected on your client, please rebuild garrys mod!")
				end
			end
		end
	end
end

concommand.Add("msgvirus", Virusmsg)