Microsoft Defender is reported to trigger a False Alarm detection when running a scan with Portable Security 3.
- The issue occurs on Portable Security 3 Patch 2 (Version: 3.0.5020).
- Reported to occur on Windows 10 x86 and x64.
- The probability of this issue to happen is higher on a machine with Management Program installed.
This false alarm issue is caused by Microsoft Defender's signature. However, as of this writing, there has not been any further details shared by Microsoft.
This issue can be resolved by performing Signature Update on Microsoft Defender.
Engine Version: 1.1.17300.4
Platform Version: 4.18.2006.10
Released: 8/4/2020 1:53:58 AM
Source: Refer to the Microsoft article, Security intelligence updates for Microsoft Defender Antivirus and other Microsoft antimalware