) This happened when I was trying to make Portal 2 and Stanley pabs together and I deleted some files accidentally.
So I clicked the Verify thing and I could play Stanley pabs again!
However, quite recently a lot of reports have been coming in of the Steam client stuck at 0 percent while trying to validate game files.
Users often need to verify their game files and in this error, steam gets stuck at 0% when the process is initiated and stays there regardless of the time consumed.
To validate a game’s cache, right-click the game in your Steam library and select Properties.
Corrupted files can also cause a multitude of other odd game bugs.
It compares the game files you have on installed your computer with those of of the latest version on the steam servers.
If its different in any way it replaces or adds on any files.
Now that you have a basic understanding of the nature of the problem we will move on towards the solutions.
Make sure to implement these solutions in the specific order in which they are provided to avoid any conflicts.When you encounter the error the most basic troubleshooting step is to try to restart the Steam client after completely closing it through the task manager.