Processes in Microsoft 365 for setting up Office apps, redeeming product keys, and activating licenses.
Refer the article below to uninstall Office 2010/2007 traces from the machine:
http://support.microsoft.com/kb/928218
Note: Read the disclaimer before modifying the registry. In the article replace office 12 by office 14 for office 2010.
Now reinstall office 2010 and check if the issue occurs.
In addition uninstall the Outlook Connector.
Click on Start > Control Panel > Add or remove Programs