How do you unblock something you blocked with bitdefender 2009?

To unblock something you blocked with Bitdefender 2009, open the Bitdefender interface and navigate to the "Antivirus" section. Look for the "Exclusions" or "Settings" tab, where you can find a list of blocked items. Select the item you wish to unblock and remove it from the list or set it to be excluded from scanning. Finally, save your changes and restart your computer if necessary for the changes to take effect.