Updated — Steamvr Error 475

: 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 :

: Right-click SteamVR in your Steam Library, select Properties > Installed Files , and click Verify integrity of tool files to repair corrupted components. Hardware & Connectivity Fixes Steamvr Error 475

The most frequent fix for Error 475 is physical. Shut down your PC and ensure the PCIe WiGig card is firmly seated in its slot. If possible, try moving it to a different PCIe slot (preferably a 1x or 4x slot that isn't shared with your GPU's bandwidth). : This is the most widely reported fix