Have you been seeing lots of messages like this in the Console?
02/09/2011 13:12:17.806 sandboxd: () WebProcess(237) deny file-read-data /Users/demian/Library/Application Support/Adobe/AIR/ELS/com.adobe.AdobeStory.4875E02D9FB21EE389F73B8D1702B320485DF8CE.1/PrivateEncryptedDatak
Or WebProcess running quite high and continuously in your task list?
It’s a problem with Adobe AIR, the solution is
- go to /Applications/Utilties folder
- run the AIR uninstaller
- re-install AIR from the adobe site
That should solve the prob!
UPDATE: you may also want to repair your Keychain