To run msconfig, hit Start-Run and type "msconfig" without the quotes, and hit enter.<br>
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Go to the Startup tab and remove everything from there and reboot.<br>
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If your PC doesn't experience the same problems, the add each one back in, one at a time, and use the PC for a while to see if the problem returns. When/if the problem returns, note which item you added back into the Startup that causes it.<br>
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When I reboot my PC, the only things running in the background (ctrl-alt-del shows task list), is Explorer, systray, and my virus scanner.