Sergey

1 minute ago, bqpd said: The latest version is 1.0.16.150 released 3 weeks ago. Your version is a very old version released 4 years in July 2016. I am not sure of your reason not to upgrade to the latest however the latest I am sure is much much effective than a 4 years old version. Maybe your version of Bitdefender Free…

1 hour ago, Thoughts? said: I understand. As a thought, if you use and are connected to a VPN, it would be worth disconnecting and trying again. You may find Bitdefender also simply suggest you update your software. I dont use VPN, and this version of Bitdefender Antivirus Free Edition 1.0.21.1109 is latest and up to date.

1 minute ago, Thoughts? said: You may then have to wait and see what Bitdefender's own response is. Obviously just confirm Windows Defender has turned back on. For what it's worth I've used the version you have and currently use the newest version which is equally as fast and efficient. System scans are exceptionally fast…

The GUI looks like quite an old version of Bitdefender Free (I remember that one from around 5 years ago). If you've simply reinstalled this I'd go to the Bitdefender website and download the latest version. I'd suggest uninstalling first, rather than just installing the new version.…