Sync for iCloud potential security concern with certificate

Problem:

After starting Outlook with CodeTwo Sync for iCloud Add-in potential security concern with certificate warning show up. Due to security problems, add-in is not starting automatically. 

Fig. 1. Potential security concern with certificate warning.

Solution:

1. First, open Outlook application.
2. Go to the File, Options, Trust Center, Trust Center Settings... and select Macro settings. 
3. Uncheck the "Apply macro security settings to installed add-ins" option. Hit Ok button and then exit Outlook application.
4. Now, hit on your keyboard Windows + R, and then type regedit and click Ok.
5. The Windows Registry Editor will show up. Please navigate to following path:

6. HKEY_CURRENT_USER\Software\Microsoft\Office\Outlook\Addins\C2FolderSyncCloudAddin.C2FolderSyncClou

7. On the right side of the windows you should find entry named LoadBehavior.
8. Double-click on it and change value to 2. Click Ok and just close Registry Editor.

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   Fig. 2. Changing registry key value.

9. Now you can open again Outlook application and CodeTwo Sync for iCloud Add-in should run automatically.