Aharoni – 242 glyphs in version 1.00
Ranges: Basic Latin; Latin-1 Supplement (symbols and punctuation); Hebrew; General Punctuation; Alphabetic Presentation Forms
Family: Sans-serif
Styles: Bold
Availability: Supplied with Windows 2000 and Windows XP

I found this on Google and lots of download links, but not a free one so far.
But if it's on the XP CD, perhaps you could browse the folders for it, get a copy and try reinstalling it. It might be corrupt on your computer.