hello sorry for my english how i can know anyone hacked me? also any possible way anyone hack with Internet Download Manager? also i scheduled idm to shutdown at specified time so morning when turn on my PC,i see my icon of desktop sorted so possible anyone hacked me? this is second time in week my icon of desktop sorted. this is before that never happened also i have many detection and what that's? Detected covert channel exploit in ICMP packet Detected unexpected data in protocol Detected DNS cache poisoning attack Detected Port Scanning attack how i can auto or manually block forever ip of attacker and in eset security what is it ip of attacker in log file?source? or target? so i must block source or target? also if i disable some service in windows like SSDP Discovery Service,Routing and Remote Access, can increase my security ? also tell me some advice to get more security. thanks best regards.