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Problem with the Open With shortcut menu of the Finder

If the Open With shortcut menu of the Finder displays duplicate applications, or applications that are not installed (anymore), OnyX can help you correct the problem. You should let OnyX rebuild the LaunchServices database.

1

Open OnyX.

2

Open the Automation pane, or open the Maintenance pane and select the Rebuild tab.

3

Select the LaunchServices checkbox, and deselect the other checkboxes.

4

Click the Execute button.