For the bogus BitDefender 2011 program removal:
Try the following:
Reboot your computer
Start tapping the F8 key on your keyboard until you reach the boot options screen
Using the arrow keys on your keyboard, select Safe Mode with Networking and press Enter
In Safe Mode, log in as the same user you are in normal Windows mode
Next, download Rkill:
Click on the Download Now button labeled: iExplore.exe download link
Double-click on the iExplore.exe icon to run
Do not reboot your computer after running RKill as the malware program will start again!!
Download Malwarebytes' Anti-Malware (MBAM):
Save the program to the Desktop
On the Desktop, double-click mbam-setup.exe to install the program, and follow the prompts
If an update is found, MBAM will download and install the latest.
At the main program window
Make sure the following is checked: Perform Quick Scan
If you have a flash drive that may be infected, insert it into a USB port.
Click: Scan (The scan may take some time to finish, so please be patient.)
When the scan completes, a message box appears, click OK
At the main Scanner screen:
Click on: Show Results
A screen displaying the malware found shows
Make sure everything found is checked, and click: Remove Selected
When the disinfection is complete, you may be prompted to Restart the computer. Please do so.
When MBAM finishes removing malware, a log opens in Notepad
The log is automatically saved and can be viewed by clicking the Logs tab.
Please provide the contents of the MBAM log in your reply so we can see whether the program did its job.