To solve this problem we suggest the following steps:

• Try to shut down the PC and reboot;
• If that does not work: start Outlook ®;
• Choose "Help" --> "About Microsoft Outlook ®" and then click "Disabled Items";
• To enable "TeamContacts", select the item and click "Enable";
• If that does not work: check "Tools" --> "Options" --> "Other" --> "Advanced options" --> "Com add-ins';
• Check if "TeamContacts" is in the list and the checkbox is checked;
• If it is not checked, check it;
• If that does not work: check "Tools" --> "Options" --> "Other" --> "Advanced options" --> "Com add-ins';
• Check if "TeamContacts" is in the list and remove it from the list;
• "Add" button;
• Browse to "C:\Program files\TeamContacts";
• Select "TeamContacts.dll";
• If it is not checked, check it;
• If it is not in the list :"Add" button and browse to "C:\Program files\TeamContacts" and select "TeamContacts.dll";
• If that does not work: install the setup again, but make sure you have administrator rights.