Answer
** Fixed at ArcGIS 8.2 **
The location of the file is at:
%ARCHOME%\Coordinate Systems\Projected Coordinate Systems\State Plane\NAD 1983 (Feet)\"NAD 1983 StatePlane PR Virgin Islands FIPS 5200 (Feet).prj"
Open the file in a text editor, such as Notepad. Replace the j in the file with:
PROJCS["NAD_1983_StatePlane_Puerto_Rico_Virgin_Islands_FIPS_5200_Feet",GEOGCS["GCS_North_American_1983",DATUM["D_North_American_1983",SPHEROID["GRS_1980",6378137.0,298.257222101]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Lambert_Conformal_Conic"],PARAMETER["False_Easting",656166.6666666665],PARAMETER["False_Northing",656166.6666666665],PARAMETER["Central_Meridian",-66.43333333333334],PARAMETER["Standard_Parallel_1",18.03333333333333],PARAMETER["Standard_Parallel_2",18.43333333333333],PARAMETER["Latitude_Of_Origin",17.83333333333333],UNIT["Foot_US",0.3048006096012192]]
Note: Make sure the contents of the file are on a single line.