Recently my ibook g4 os 10.4 (fully updated) was hacked and since then I've tried a few things but they don't seem to be working. I've changed by network to wpa security with a new password and network name, doesn't work. The only thing I can do when the hack attempt starts is turn off my wi fi. I'm going to have to switch to ethernet for awhile, but it would be nice to be able to use my wifi (all firewall and security settings are set to max). I've also noticed that even when wi fi is off, the computer sometimes switches from one program to another, and sometimes new programs open by themselves. For example, if I'm reading a pdf, it might suddenly set it to print. When it's in sleep mode, it wakes up by itself. Macscan shows no spyware, and sophos antivirus shows no virus. It's possible that it's 2 unrelated issues. I'd be really grateful for any help as I really need to get my computer working properly. I should note that my older win xp computer that is connected via ethernet cable is doing fine, and hasn't shown any of these problems. I would greatly appreciate some advice, as i need my comp for job apps and my old computer is very clunky.