The Bitdefender antivirus program helps to give protection for both personal devices and PCs. To get a better result, you have to keep the Bitdefender antivirus program updated. If you encounter the Bitdefender update failed problem, refer to the troubleshooting steps mentioned on this web page.
Other firewall software:
Update the Bitdefender program manually
Reinstalling the Bitdefender antivirus program:
Upgrading to the most recent version of the Bitdefender antivirus: