Well, we'll just have to have a gentlemen's disagreement here. Typically, the Windows Registry gets so screwed up it's hard to repair and optimize. Then you have all the malicious stuff on top of that. I don't bother finding problems. I create a pristine environment from first principles.
I always build my own desktop computers so I don't even have any Dell tools anyway.
Sometimes I can avoid the clean rebuild by using System Restore, which actually works on XP.
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