Screen locking 5 or 6 times/day

andrefrancis

... yes it's really me!
When the screen is locked, I can move the mouse pointer, but cannot activate any windows. My router is still active at these times, so downloading or uploading is still carrying on.

If I wait long enough ..... the screen unlocks and I can use the computer normally ..... until next time. I find the easiest way is to reboot often.

This problem started about a month ago occasionally, but now is becoming a major problem.

Does anyone have any idea what is happening? Do I have a virus?

I run an iMac24 2.16 GHz Core2 Duo with the latest 10.5.7 OS.

Thanks ... in anticipation

Andre
 
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