This tool allows you to customize your Steam Big Picture mode look like you want (in a limited way)
You can:
Remove any menu entries from Quit menu on main screen
And it is safe for Steam, no need to run Steam with -noValidate flag or make it offline.
How it works:
You need to start this program before you enter Big Picture Mode. Please make a setup through tray icon menu before you run Steam.
After Steam quits BPM, it returns files back to original state.
System Requirements