How do I fix Library not registered error in Outlook 2010/2013

When opening Outlook 2010 or Outlook 2013, the following text appears: Line 278. Char. 1. Error: “Library not registered.” When you click “Yes” in response to “Do you want to continue running scripts on this page?” everything seems to work correctly. There are few step that you can try to fix library not registered error in Outlook 2010 and Outlook 2013.

Microsoft Outlook 2013/2010 users may encounter an error on the Outlook Today screen that says:

Script Error: An error has occurred in the script on this page
Line: 278
Char 1
Error: Library not Registered
Code: 0
URL: outlook:today

Causes of Library not registered Error.

• The registry on this machine contains a key for an older version of the Outlook View Control.  
• It was leftover from a previous Microsoft Office  installation.

How to fix Library not registered Error.

To fix Script error problem, you need to modify the registry. This he can attack in two ways. Use a registry import file or modify it manually. You can modify registry using following step.

1. Manually Editing the Registry

1. Press Windows Key then press “R“.
2. Type “regedit” in run box and hit “OK“.
3. Navigate to the following location:
   • HKEY_CLASSES_ROOT\TypeLib\{0006F062-0000-0000-C000-000000000046}
4. Expand {0006F062-0000-0000-C000-000000000046} via the plus sign, then right-click the “1.0” folder, then select “Delete”
5. Select “Yes” since you do want to permanently delete the value.
6. Close the Registry Editor.
7. Restart your computer to apply Registry change which you have done here.

2. Importing Registry File

If you don’t want to edit the registry, you can download and run this .reg file to remove the 1.0 or 1.1 key. Here 1.0 is from an older version of Office,  1.1 is from Office 2010. Use the Following step to import registry.

1. Download the File .
   • Outlook Delete 1.0 Key
   • Outlook Delete 1.1 Key
2. Extract the zip file.
3. Open the .reg file by double-clicking on it.
4. If prompted by UAC for permission to make changes to the computer, select “Yes“.
5. A Registry Editor dialog box will appear asking “Are you sure you want to continue?”. Select “Yes“.
6. A message should appear telling you that the Registry was modified successfully.
7. Restart your PC than open MS Outlook.