First you will need to open your Outlook Express.<br>
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This can be accomplished by clicking on the "Start" button, then going to "Programs" and clicking on "Outlook Express".<br>
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<img src="./start-oe.jpg"><br>
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Next you will click on "Tools" in the menue bar and click on "Options".<br>
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<img src="./tools-options.jpg"><br>
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Click on the "Security" tab.<br>
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If there is a check in the box next to "Do not allow attachments to be saved or opened that could be potentialy a virus" then click in the box to uncheck it.<br>
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<img src="./options/security.jpg"><br>
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click the "OK" button.<br>
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This will likely take care of your problem.