That's what trojans do.
Because the memory is occupied by viruses, the game needs less memory to run, and it will be Kaka.
There is also the possibility of hard disk space reduction, playing games to open Thunder download, and system confusion.
The biggest problem of disconnection may be Trojan horse.
I've been on Netcom for 2 years, and I seldom get disconnected.
Better check the Trojan horse first.
If not, redo the system.