Before the uninstallation, please note that this program always has two directories: C:\Program Files\Bit Defender and C:\Program Files\Common Files\Bit Defender. So it is necessary to Force Uninstall twice to uninstall Bit Defender Total Security 2010 from the computer.
Since it is impossible to close this program in normal mode, so you have to boot the computer into safe mode to quit it and other running programs. Then you can follow the steps below to begin the removal.
Step one: Navigate to the directory C:\Program Files\Bit Defender, right click the folder “Bit Defender” and select “Force Uninstall” to begin the removal. Perfect Uninstaller will launch instantly as follows, press “Next” to go.