If I had a wish for christmas from GabeN or Valve in general, it would be actually meaningful error messages from steam.
If I had two wishes, I would like a community tool to share configs to make games work that require tweaking.
But I’d be very happy if I got better error messages.
So what the issue with my car?
Well it doesn’t start up
Not bashing on Steam, to be clear, but this error will not help fix the issue, user actually needs to investigate one of the many reasons this could be.
A meaningful error may be: write failed because files are locked by process xy.
I dont think Windows gives that information to Steam.
Just reboot and try again. It fixes it 90% of the time.