"One of your object libraries is missing or damaged" error message when you open a file by using a VBA macro or when you try to start the Visual Basic Editor (296114)

RESOLUTION

To resolve this problem reset the permissions to the default settings by using the appropriate method for your version of Windows.

WARNING: If you use Registry Editor incorrectly, you may cause serious problems that may require you to reinstall your operating system. Microsoft cannot guarantee that you can solve problems that result from using Registry Editor incorrectly. Use Registry Editor at your own risk.

Windows NT 4.0

The default permissions on the HKEY_LOCAL_MACHINE\Software\Classes\TypeLib subkey on Windows NT 4.0 are as follows:

   User/Group                              Permission
   ---------------------------------------------------------------------

   Creator Owner                           Full Control
   Everyone                                Read
   <machine name>\Administrators           Full Control
   Interactive                             Special Access
   System                                  Full Control
				

NOTE: The Special Access permissions for the Interactive account include the following: Change the permissions back to their default values. To do this, follow these steps:

1. Log in as a member of the Administrators group.
2. On the Start menu, click Run.
3. In the Open box, type Regedt32 and click OK.
4. Under the HKEY_LOCAL_MACHINE key, locate and select the following subkey:

   Software\Classes\TypeLib

5. On the Security, menu click Permissions. If the Everyone group, is not listed in the Registry Key Permissions dialog box, add this group and assign it Read permissions. To do this, follow these steps:
   1. In the Registry Key Permissions dialog box, click Add.
   2. In the Add Users and Groups dialog box in the List Names From list, select the machine name.
   3. In the Names list, select the Everyone group, and then click Add.
   4. In the Type of Access list, select Read.
   5. Click OK.
   6. Repeat steps a through e for each group for which you need to reset permissions to their default settings.
   7. In the Registry Key Permissions dialog box, click to select the Replace Permission on Existing Subkeys check box.
   8. Click OK.
   9. If you receive a message about replacing permissions on all existing subkeys, click Yes.
6. On the Registry menu, click Exit.
7. Log off and then log back on as the user experiencing the problem described in the "Symptoms" section of this article.

Windows 2000

The default permissions on the HKEY_LOCAL_MACHINE\Software\Classes\TypeLib subkey on Windows 2000 are as follows:

   User/Group                                        Permission
   ---------------------------------------------------------------------

   Administrators (<machine name>\Administrators)    Full Control
   Creator Owner                                     Full Control
   Everyone                                          Read
   Power Users (<machine name>\Administrators)       Special
   System                                            Full Control
   Users                                             Read
				

NOTE: The Special permissions for the Power Users group include the following: Change the permissions back to their default values. To do this, follow these steps:

1. Log in as a member of the Administrators group.
2. On the Start menu, click Run.
3. In the Open box, type Regedt32 and click OK.
4. Under the HKEY_LOCAL_MACHINE key, locate and select the following subkey:

   Software\Classes\TypeLib

5. On the Security menu, click Permissions.
   
   If the Power Users group is not listed in the Permissions for Typelib dialog box, add this group and assign it Special permissions. To do this, follow these steps:
   1. Click to clear the Allow inheritable permissions from parent to propagate to this object check box.
   2. In the Security dialog box, click Copy.
   3. Click Advanced.
   4. In the Access Control Settings for TypeLib dialog box, click Add.
   5. In the Look in list, select the machine name for your computer. In the Name box, type Power Users. Click OK.
   6. In the Permission Entry for TypeLib dialog box set the following permissions for the Power Users group.

      Query Value
      Set Value
      Create Subkey
      Enumerate Subkeys
      Notify
      Delete
      Read Control

      When finished, click OK.
   7. In the Access Control Settings for TypeLib dialog box, click to select the Reset permissions on all child objects and enable propagation of inheritable permissions check box.
   8. Click OK. If you receive a prompt about removing explicitly defined permissions on all child objects, click Yes.
   9. Repeat steps a through h for each group for which you need to reset permissions to their default settings.
   10. In the Permissions for TypeLib dialog box, click OK.
6. On the Registry menu, click Exit.
7. Log off and log back on as the user experiencing the problem described in the "Symptoms" section of this article.