Well, this is more a Windows problem than a font issue. However, have you tried looking in the control panel, in the "Display" area ? If I remember well, this is where you can change the system font in Windows XP (not 100% sure though).
If it doesn't work, you should try a Windows forum.
True, you won't find it for free around here. If you want something a little bit similar for free, you can take a look at this one :
For free fonts, you might want to take a look here : http://www.dafont.com/theme.php?cat=501&fpp=50&text=BUYER+BEWARE
You might find something interesting.
What do you mean by "Old style slanted Hollywood" ?
Maybe based on Souvenir Bold ?
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