If you'd like to narrow down the cause of your specific issue, please share a few details:
Overlays are the #1 culprit for Error 475. Close these applications completely (not just to system tray):
If you are on a gaming laptop, you might also need to check the Windows Graphics settings: Steamvr Error 475
The most widely successful solution is ensuring Steam and its associated VR software have full system permissions.
To help narrow down the issue further if the error persists, please let me know: If you'd like to narrow down the cause
Confirm GPU driver health:
If you installed Steam on a non-default drive (e.g., a D: or E: drive), the configuration files might be pointing to the wrong location, leading to a "shared texture" failure. SteamVR Error 475 is a disruptive connection error
SteamVR Error 475 is a disruptive connection error that prevents your Virtual Reality (VR) headset from communicating with your computer. This error typically points to a hardware initialization failure, outdated drivers, or strict security software blocking the SteamVR runtime.
: This resets how SteamVR communicates with your headset's display.
While the code sounds cryptic, it usually points to a specific issue: your computer is trying to launch SteamVR using the wrong graphics card, or your drivers are having a communication breakdown.
If the software files themselves are corrupted, the compositor won't be able to start.