Recent BitDefender Update Renders Windows 64-bit Systems Unbootable

BitDefender, who make an internet security product, have recently released a faulty update that marks legitimate Windows and BitDefender files as malicious. BitDefender will then quarantine these files identifying them as “Trojan.FakeAlert.5″ resulting in Windows becoming un-bootable.

This faulty update only effects the 64-bit versions of Windows and BitDefender had to have updated itself between the times of 8am and 11:30am on the 20th of March. BitDefender have released a press release containing fixes for the various versions located here.

A representative from BitDefender noticed this blog post here on Technibble and responded with the following:

On behalf of BitDefender, we are very sorry for the problems that our update may have caused. We have also released a solution to this issue, for all affected users, we invite you to access it here: home users BitDefender Business Client users Bitdefender Security for File Server users

If there are any unexpected situations, we kindly ask you to contact our support team directly via email, chat, phone or forum at

Thank you for your understanding.

Bryce Whitty

About the Author

Bryce Whitty
More articles by me...
Bryce is an Australian computer technician and the founder of Technibble. He started his computer repair business when he was 17 years old and is still running it 9 years later. He is an avid traveller and spends at least a month of the year in another country.

Comments (6)