LM Studio Flagged by Microsoft Defender — Confirmed False Positive After Community Panic

r/LocalLLaMA·medium signal

LM Studio triggered Microsoft Defender malware alerts, causing widespread alarm (1,144 upvotes, 409 comments on r/LocalLLaMA). LM Studio confirmed it was a false positive and Microsoft resolved it. The incident highlights the fragility of local AI tooling trust — users running open models locally face the same supply chain anxiety as cloud users, and a single AV false positive can crater confidence.