It seems to be the "bitness" of SAS that creates the catalogs that is the issue, not actually the OS.
If there isn't much customization stored in your profile then delete it and let SAS rebuild it on next start.
Otherwise try to find a 64 bit install that can see the location, assign a library (if needed) and proc cport to export and Proc catalog to read back into the 32 bit version.
I have a list of things to do before upgrading SAS to save various registry, editor, scheme and profile settings that sometimes saves me work with getting the customizations back after the upgrade if they aren't maintained by the new install.