Question

Using Firefox 17.0.1, 20-30 minutes into web browsing, it appears I hit 'show desktop', no response, then comes back in 20 seconds

this started to happen about two months ago, have done two or three Firefox updated in that time period. About 20-30 minutes into web browsing (most days, not all), the mouse stops working, and two seconds later, Firefox is minimized. For the next 20 seconds, the computer doesn't respond to keyboard or mouse input, even ctrl-alt-del doesn't effect computer. After 20 seconds, Firefox comes back up as if nothing happened,. If I had hit ctrl-alt-del, then that screen appears. I've done a full scan with Norton and it didn't find anything. I have a Toshiba Portege R705, running Windows 7. I have IE installed, but can't remember the last time I used it. I may tried web surfing with IE, and see if it also goes into a "forced minimize". I didn't see anything on your web page about this type of failure. Have you ever heard of this before? Do you have any suggestions? rgstevens123@comcast.net

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