*If this article is not up-to-date, please visit the Apple Support Article for the most recent information*
If you recently changed your cwu account password, your keychain password does not change. Because of this, you will be prompted to enter a keychain password each time an application requires authentication that your keychain would normally provide.
Note: This doesn't happen if you change your account password using Accounts preferences.
If you want your default key chain to be unlocked automatically when you log in
If you don't remember your original (former) account password
If you don't remember your original password, you'll need to delete the keychain. Deleting a keychain also deletes all the passwords saved in that keychain.
The next time you log in to the account, you can save your current password in a keychain.
If the above options fail, please try this method.