Windows Defender Windows

The latest Windows 10 preview, build 14352, has added Limited Periodic Scanning to protect PCs alongside a third-party antivirus program.

The recently rolled out Windows 10 preview build 14352 comes with a number of new features, but among the most interesting is a new security function that provides an antivirus base to Windows 10.

Limited Periodic Scanning will provide protection to a machine even if the user has another antivirus product running on the PC. The feature works in unison with Windows Defender to help remove malware from a PC, hopefully picking up threats that another installed solution may not.


While Limited Periodic Scanning is interesting in its own right, there is also the fact that it changes away in which Windows’ own protection works. At the moment Windows 8 and Windows 10 users choose a third party antivirus solution and then Windows Defender will disable itself. While this will remain the same, Limited Periodic Scanning will continue to function with the third party solution.

These periodic scans will utilize Automatic Maintenance – to ensure the system chooses optimal times based on minimal impact to the user, PC performance, and energy efficiency – or customers can schedule these scans. Limited Periodic Scanning is intended to offer an additional line of defense to your existing antivirus program’s real-time protection,” Microsoft explains.

If users want to see the results of these automatic scans, they can head to Windows Defender, or click notifications to enter the Action Center and deal with problems.

However, Microsoft will make the feature entirely optional and users can toggle the feature by heading to Settings > Update & security > Windows Defender > Limited Periodic Scanning. It is worth remembering that at the moment the feature is only available in Windows 10 preview 14352 for members of the Windows Insider Program.

The take away is that this will be available to end users with the Windows 10 Anniversary during the summer.