A: Emulators often unpack and generate code at runtime (JIT compilation). Microsoft Defender sometimes flags this heuristic as malware. Exclude the Limbo folder.

Limbo is an interesting, niche emulator with value for hobbyists and experimentation, but on Windows 11 most users will get better performance, stability, and features from established virtualization platforms like Hyper-V, QEMU, VirtualBox, or VMware. Use Limbo only for specific experimental needs or educational projects.

Why do people use it?

If you still want to attempt this experiment, here is the "hot" setup configuration users are currently testing: