User Manual

Table Of Contents
When 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.
To completely remove Bitdefender from your system:
In Windows 7:
1. Click Start, go to Control Panel and double-click Programs and Features.
2. Find Bitdefender Total Security and select Uninstall.
3. Click REMOVE in the window that appears.
4. Wait for the uninstall process to complete, and then reboot your system.
In Windows 8 and Windows 8.1:
1. From the Windows Start screen, locate Control Panel (for example, you
can start typing "Control Panel" directly in the Start screen), and then
click its icon.
2. Click Uninstall a program or Programs and Features.
3. Find Bitdefender Total Security and select Uninstall.
4. Click REMOVE in the window that appears.
5. Wait for the uninstall process to complete, and then reboot your system.
In Windows 10:
1. Click Start, then click Settings.
2. Click the System icon in the Settings area, then select Installed apps.
3. Find Bitdefender Total Security and select Uninstall.
4. Click Uninstall again to confirm your choice.
5. Click REMOVE in the window that appears.
6. Wait for the uninstall process to complete, and then reboot your system.
6.1.13. My system doesn't boot up after installing
Bitdefender
If you just installed Bitdefender and cannot reboot your system in normal
mode anymore there may be various reasons for this issue.
Troubleshooting 180
Bitdefender Total Security