How to Use ACLs to Disable Ole32db.dll

1. Log in to the computer using the username and password of an account that has administrator permissions.
2. Navigate to the Ole32db.dll file, right-click on it and click 'Properties.'
3. Click the 'Security' tab in the window that appears. Click the 'Advanced' tab. Click the 'Owner' tab. Click the 'Edit' button. Click 'Other users or groups.' Type the name of the current account used to log in to the computer into the text box and click the 'Check Names' button. When the account is found and appears, click the 'OK' button. Click the 'OK' button in the 'Windows Security' window that appears.
4. Click the 'OK' button in the 'Advanced Security Settings for Users' window. Click on the 'System' account in the 'Properties' window and click the 'Deny' box in the 'Read & Execute,' 'Read' and 'Full Control' rows. Repeat for each account and group listed (except for the account that has just taken ownership of the file and the administrators group).
5. Click the 'OK' button.