Address Book app in OS X 10.7 Lion stopped working – type in a search string and hit return and nothing happens. VERY annoying. This is synced via iCloud and the fix was to:
- archive the address book (File -> Export -> AddressBook Archive)
- go to System Preferences -> iCloud and uncheck Addresses and choose to Delete them from this computer when prompted.
- Wait a second or two
- Recheck Addresses in iCloud syncing
- Wait 20-30 seconds for iCloud to resync them and voila, fixed!
(If you aren’t syncing from iCloud probably the export, then delete the address book file and then import archive will also work, but that’s a guess).