Try these 5 solutions when Chrome won't open
How to Fix Google Chrome Not Opening on Mac
If Google Chrome won’t open, try the following 5 solutions. There’s a good chance that the browser has a minor glitch. You can tweak some options on your machine here and there to get around the problem. We’ll show you all 5 available solutions.
One reason Chrome won’t start is that the web browser is already running in the background on your computer. As a result, the browser may have trouble starting in the foreground.
In that case, you can solve the problem by force closing the browser and reopening it.