Mac OS X 10.5, Ink: Handwriting recognition cannot be enabled

Issue or symptom

You might not be able to enable Handwriting recognition in Ink preferences (in System Preferences). This may occur on some Macs that shipped with Leopard pre-installed.

Solution

Use this workaround to enable handwriting recognition:

1. From the Finder's Go menu, choose Utilities.
2. Open Terminal.
3. Carefully type (or paste) the following command, then press Return.
   
   sudo rm /System/Library/Caches/com.apple.IntlDataCache*
   
   
4. Enter your admin password if prompted for it.
5. Type or paste the following command in Terminal, then press Return.
   
   sudo rm /var/folders/*/*/-Caches-/com.apple.IntlDataCache*
   
   
6. Type or paste the following command in Terminal, then press Return.
   
   rm ~/Library/Preferences/com.apple.ink*
   
   
7. Restart the computer.