Run SteamVR in Safe Mode or with minimal startup:
SteamVR Error 475 typically indicates a permissions or software conflict issue where SteamVR fails to detect the headset or its essential virtual drivers . It is most commonly reported by users of headsets using Virtual Desktop or Link . Primary Fix: Run as Administrator
Tools like Corsair iCUE or Razer Synapse can occasionally fight for control of USB bandwidth. Try closing them.
: This is the most widely reported fix. Completely exit Steam and SteamVR, then right-click your Steam shortcut and select "Run as Administrator" . If using Virtual Desktop, ensure the Virtual Desktop Streamer on your PC is also running with administrator privileges. Toggle Direct Display Mode :
Clear SteamVR configuration and cache
