Window automatically minimizes

[Star]

Can somebody help? Occasionally my program window will minimize to the windows tray all by itself, and once it starts it won't stop unless I reboot. It's extremely frustrating.
Also sometimes while I'm typing the cursor will disapear and start start selecting the next available icon as if I were pressing the tab button. Does anybody know what's going on or how I can correct this? I'm not that great an the technical side of computers, I don't know what to do.
Thanks.

[icecube]

I had a similar problem with a laptop where someone spilled coke on the keyboard. The water evaporated, but the sugar was there to stay

Make sure the keyboard is plugged in all of the way, also make sure none of the pins are bent on the ps2 socket.

Try swapping out the keyboard with a known good one. The keyboard is the main suspect, a paper clip dropped between the keys to where you can't see it,can cause all sorts of wierd stuff.