There’s nothing in the plugins folder yet. Here’s the log.txt file. Could be VB-Audio or Dirac, possibly? Neither are in actual use at this time.
[0.005 info adapters/standalone.cpp:137 main] VCV Rack Free v2.0.3
[0.005 info adapters/standalone.cpp:138 main] Windows 10.0
[0.005 info adapters/standalone.cpp:144 main] Args: C:\Program Files\VCV\Rack2Free\Rack.exe
[0.005 info adapters/standalone.cpp:147 main] System directory: C:\Program Files\VCV\Rack2Free
[0.005 info adapters/standalone.cpp:148 main] User directory: C:/Users/Noah
Lifschey/Documents/Rack2
[0.005 info adapters/standalone.cpp:152 main] System time: 2021-12-13 11:46:18 Pacific Standard Time
[0.005 info src/settings.cpp:455 load] Loading settings C:/Users/Noah Lifschey/Documents/Rack2/settings.json
[0.005 info adapters/standalone.cpp:175 main] Initializing environment
[0.006 info src/rtaudio.cpp:239 RtAudioDriver] Creating RtAudio WASAPI driver
[0.015 info src/rtaudio.cpp:254 RtAudioDriver] Found RtAudio WASAPI device 0: CABLE Input (VB-Audio Virtual Cable) (0 in, 2 out)
[0.019 info src/rtaudio.cpp:254 RtAudioDriver] Found RtAudio WASAPI device 1: ADAT (1+2) (RME HDSPe AIO) (0 in, 2 out)
[0.032 info src/rtaudio.cpp:254 RtAudioDriver] Found RtAudio WASAPI device 2: Virtual Audio Device (Dirac) (0 in, 2 out)
[0.048 info src/rtaudio.cpp:254 RtAudioDriver] Found RtAudio WASAPI device 3: ADAT (1+2) (RME HDSPe AIO) (2 in, 0 out)
[0.052 info src/rtaudio.cpp:254 RtAudioDriver] Found RtAudio WASAPI device 4: CABLE Output (VB-Audio Virtual Cable) (2 in, 0 out)
[0.052 info src/rtaudio.cpp:239 RtAudioDriver] Creating RtAudio ASIO driver
[0.054 info src/rtaudio.cpp:254 RtAudioDriver] Found RtAudio ASIO device 0: ASIO Hammerfall DSP (14 in, 16 out)