Apple: update to iTunes 7.5 to solve various iPhone problems

If you’re having problems syncing or restoring your iPhone, Apple recommends that you update to iTunes 7.5. A series of recently revised Knowledge Base articles suggest the update for problems including:

Exception error when syncing with Yahoo! Address Book (could also be caused by an invalid email address present in your contact list)
Error “0xE8000025″ when syncing in iTunes for Windows (could also be caused by having non-standard ASCII characters in your account name)
Error -48 when restoring iPhone (could also be cuased by a bad updater file — empty ~/Library/iTunes/iPhone Software Updates under Mac OS X, C:/documents and settings/[yourusername]/Application Data/Apple Computer/iTunes/iPhone Software Updates under Windows XP or C:/users/[yourusername]/AppData/Roaming/Apple Computer/iTunes/iPhone Software Updates under Windows Vista and try the restore again)
Error 1604 When restoring iPhone in iTunes (you can also try a different USB port or disconnecting other USB devices, or restarting your system)
Error 11333 when connecting to iTunes Store or activating iPhone