User`s guide

If removal fails, some BitDefender registry keys and files may remain in your system.
Such remainders may prevent a new installation of BitDefender. They may also
affect system performance and stability. In order to completely remove BitDefender
from your system, you must run the uninstall tool.
For more information, please refer to “How Do I Remove BitDefender Completely?”
(p. 245).
If this information was not helpful, you can contact BitDefender for support as
described in section “Support” (p. 236).
Troubleshooting
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BitDefender Total Security 2011