Fix lookout failed to start error of outlook 2007



Are you looking for the solution of Lookout failed to start error of outlook 2007? Do you have any problem with your MS Outlook 2007 application. If yes, then you are at the right place here you will get all information and soulution on this problem. As you know Microsot outlook is an e-mail client based application which provides very safe and secure platfrom where you can send or receive private e-mails very safely. Basically, Lookout is a very fast search engine. You can install this tool into Microsoft Outlook application. The lookout application improves the performance of outlook application. The main function of this tool is that it can search all your mails, contacts, notes, tasks, calendar items, Public Folders, and files on your computer from within Outlook very quickly in easy manner.






Therefore most of the MS outlook users wants to install Lookout into Microsoft Outlook 2007. Consider a scenario you have installed Lookout into Microsoft outlook application. But when you try to open it then some error message pops up on the computer screen which is similar to below writtnen error message:


  • Lookout failed to start

  • This error is also known as lookout failed to start outlook 2007

Causes of lookout failed to start error:


  • Another Outlook Plugin has already installed
  • An unofficial version of the outlook libraries which breaks lookout.
  • This error may caused because Outlook 2007 ships the Outlook 2007 Office PIAs by default.


How to fix lookout failed to start error of outlook 2007:

If you want to fix this issue then you have to follow some methods. First of all open a command shell as administrator execute the following commands.


  • cd %SYSTEMROOT%\assembly\GAC

  • rename Microsoft.Office.Interop.Outlook Microsoft.Office.Interop.Outlook.OLD

After this restart Microsoft outlook application if the error still presits then execute some another command which is:


  • rename Microsoft.Office.Interop.Outlook.OLD Microsoft.Office.Interop.Outlook


After executing these all command the problem is not fixed and if you still getting lookout failed to start error message when you start your Microsoft outlook 2007 application then do not take it lightly it may further damage some important file of Microsoft Outlook application due to which you can loose your valuable or important data. Therefore to keep safe your pricious or valuable data repair outlook 2007 by the help of third party outlook PST repair software.