The pdf engine in Safari has stopped working. I can no longer view pdf files in Safari. I simply get a black window when pdf files are downloaded
Go to /Library/Internet Plug-Ins
Move the AdobePDF browser plugin to the Trash.
If you have problems locating the plugin...
Open the Finder. From the Finder menu bar click Go > Go to Folder
Type this exactly as you see it here:
Retrieving data ...