defenderWindows 10 Defender Anti-Malware Update Problems

Microsoft warns that Windows 10 may not start on some computers after installing the latest monthly updates of the Windows Defender antimalware platform.

Affected resources

Computers with Windows 10 operating systems (Enterprise, Pro and Home) or Windows Server 2016.


According to Microsoft, it is working on a solution to the problem that will be published in a future update.

If your computer has been affected, follow the recommendations they offer from the Microsoft support center. If you have questions, go to a technical support service you trust to help you solve the problem.

However, remember that antimalware products must always be active and updated to be effective and protect you from viruses and fraud.

Technical Details

It is a bug that would affect those computers that have the Secure Boot function (version 4.18.1901.7) active in the BIOS. Additionally, this update could generate problems due to a change in the location of the update file path, which would cause many downloads to be blocked when the AppLocker, application execution control program and files are enabled.

Netwise 02.02.19