Weird stuff happening all of the sudden to my outlook INBOX

Hey there! I opened up outlook(2003) like I always do, and BAM...wierd stuff happening.
1) there never used to be lines between my email entries, and now there are
2) All of the sudden I am getting these SPAM mails, Much more than I used to, and it says SPAM-HIGH, SPAM-MEDIUM, SPAM-LOW in front of all the subject lines. SOME of them even show as SPAM with like my mom and other entries that I get email from regularly. This is very distracting. I do very little online purchasing, and fill out forms like NEVER. I also have little time to fiddle with anything, I just open my mail, read it and that is it, I have not changed any settings.
How can I change this back to the way it was?
How can I get rid of all of this SPAM junk?
How did this HAPPEN??! (LOL)
Any help will be much appreciated!
Dinah in Harrisburg, PA
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IF you have WIndows XP, the best thing to do would be to do a system restore to an earlier date when it was working.

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