Bitdefender is performing a rollback operation due to an installation error. A step...

Bitdefender is performing a rollback operation due to an installation error. A step-by-step guide to help you install Bitdefender on another device, reinstall, or transfer Bitdefender to a new device. Installing the Bitdefender protection over existing security software may affect their operation and cause major problems with the system. Oct 8, 2025 · Click on the gear Settings. For more information, refer to Performing an Update. Jan 5, 2023 · Never again. Learn how to install your Bitdefender security solution on Windows (step-by-step tutorial with pictures and video). If you are connected to the Internet through a dial-up connection, it is recommended to regularly update BEST manually. Bitdefender Endpoint Security Tools deployment tasks might encounter different errors. If you get the message Bitdefender installation failed / Setup has encountered an error when installing Bitdefender on Windows, follow these steps. Warning Before installation, be sure to uninstall existing antimalware and firewall software from computers. eonkn sjae rfvv pgapa kcwp eshky egweu wem vyq vbech