This is actually a fairly common and highly annoying problem with the Steam platform. For the time that my fix for this has been on YouTube, there is always a spike in views at certain times of the year. Generally this is during the Summer and Winter Steam sales when there is an influx of people buying a lot of games at cut rate prices.

The best way to get around this problem is to follow the directions in the video below as it’ll easily show the steps needed to help you get back to playing your game again.