Adobe PDF IFilter Downloads
The typical user will want to install the latest version of the PDF
IFilter. If you experience problems with 6.0, you may want to try
an earlier version. Adobe PDF IFilter v6.0
Adobe PDF IFilter v5.0 (File is "ifilter50.exe")
- Instructions to get PDF IFilter V5.0 to work on Windows XP
Adobe PDF IFilter v4.1 (File is "ifilt41.exe")
Another alternative - if you are having trouble with Adobe's IFilters - is the PDF IFilter from Foxit Software. This one also comes in a 64-bit version.
Foxit PDF IFilter