iCal: Some calendar events do not appear after installing Mac OS X 10.5.2 Update

Issue or symptom

After installing the Mac OS X 10.5.2 Update, some iCal events may not appear.

Solution

1. Quit iCal.
2. Quit Mail if it's running.
3. From the Finder's Go menu, choose Home.
4. Open the Library folder.
5. Open the Calendars folder.
6. Move the "Calendar Cache" file to the Trash.
7. Open iCal.

You may see a message stating that your calendars are being updated. You can delete the "Calendar Cache" file that you moved in step 5.