Lightroom - External Editor Not Defined

Lightroom - External Editor Not Defined

When you try to open your image with Photoshop, from Lightroom, the Photoshop option is grayed out.

Manually Choose an Editor

1. Go to Edit-> Preferences.
   
2. Select the External Editing tab.
   
3. Under Additional External Editor click the Choose button.
   
4. Navigate to C:\Program Files\Adobe\Adobe Photoshop CS5.1 (64 Bit).
5. Select Photoshop.exe and then click Open
6. In the preferences pane, click Okay.
7. To open your image with Photoshop from Lightroom, either:
   right-click and select Edit->Edit in Photoshop.exe or
   from the main toolbar select Photo->Edit In->Edit in Photoshop.exe.