Windows Defender flags TrafficMonitor.sys as malware
Windows Defender flags TrafficMonitor.sys as Trojan or vulnerable driver and wants to remove it.
Tier II · Emerging Problems that are still building up.
4 public reports · first reported 3 September 2025 · last reported 26 December 2025
What's going wrong
Microsoft Defender repeatedly identifies the TrafficMonitor driver file TrafficMonitor.sys as a trojan or as a vulnerable driver and warns that it should be removed.
AI-assisted: written with the help of AI from the reports. The idea report has the full summary.
In the idea report
- The full summary.
- The products the 4 reports are about, and how many came each month.
- Related problems.
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