Visual Studio 2013 missing Start/Stop Debugging tool buttons

Question

I am using Visual Studio 2013.

For some reason, the Start Debugging button is missing on my toolbar. Also, when I am debugging, the Stop debugging/Pause buttons are

Answer 1

I had this problem and I could solve it:

1. Tools->Import and Export Settings->Reset all settings and then next
2. Right click on the empty part of toolbar and check the Debug option as follows:

and this would be the result: