Windows Defender blocks KiCad installer
Windows Defender or SmartScreen flags the KiCad installer or updates as malware, and users are unsure how to proceed safely.
Tier II · Emerging Problems that are still building up.
3 public reports · first reported 29 September 2026 · last reported 29 September 2026
What's going wrong
Windows 11 users report that Microsoft Defender or a related protection setting shows a malware alert and blocks or warns about installing KiCad and its release candidates.
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 3 reports are about, and how many came each month.
- Related problems.
No business has been found with this problem yet, so the report has no contacts. All sales are final — no refunds. Pricing.