@Pitter,
* Click the Start button, then select Control Panel, and click on Uninstall a program.
* When the Add/Remove Programs or the Uninstall a Program screen is displayed, scroll through the list of currently installed programs and uninstall TOR Browser Bundle Internet Explorer Toolbar, TOR Browser Bundle Firefox Toolbar, and any other recently installed or unknown programs from your computer.
* Free Download and Run the virus removal tool: YAC Virus Removal Tool.
* Click the "Scan" button.
* Waiting for one minute, YAC can help you remove "TOR Browser Bundle" easily.