An error occurred while updating steam
This method is very similar to this tutorial that we did recently which is used to fix various issues with your Samsung Galaxy.
The error shows an exclamation in a white triangle and reads: An error has occurred while updating the device software.
You'll want to work with a tech support specialist to investigate possible issues with your Steam hard drive.
For Windows: My PC - Error checking If you are not specialized but want to do it by yourself, Mini Tool Partition Wizard Free is a good recommendation.
Go to the file location of Steam (default location is C:/program files/Steam). Head to the Compatibility tab in properties and make sure "run this program as an administrator" is ticked. In short, he just solved this issue by going into Program Files (x86)/Steam/steamapps/common and simply deleting a file titled Fallout that was 0KB in size.
I tried restarting, uninstalling completely then reinstalling, but no fix.You can easily do that from your Steam Settings panel.If you've completed Steps 1 and 2 and are still seeing this error, please submit a ticket to Steam Support.If it's not caused by anti-virus software, the issue could be a corrupted file or failed download.To make sure you have all the files needed, restart your PC and then verify your game files.