Some ActiveX items would cause unpredictable malicious results to your system. In order to protect your PC against these ActiveX items, Registry Fast provides this utility to lock(quarantine) the ActiveX as you wish. To use this utility, just do the following:

1. Open Registry Fast and click 'Advanced' tab.
2. Click 'Lock ActiveX' icon, and the potential harmful ActiveX will be shown on list.
3. Select the items you wish to quarantine, and then click 'Lock' button to proceed.
   
4. When the selected ActiveX were locked, a confrimation dialog will come out.
   
5. When you wish to activate these ActiveX again, just select them and click 'Unlock' button.