您的位置: 首页 > IT文章 > Visual Studio 2017 error: Unable to start program, An operation is not legal in the current state Visual Studio 2017 error: Unable to start program, An operation is not legal in the current state 分类: IT文章 • 2022-03-29 22:49:53 For me, the solution (workaround) is to turn off JavaScript debugging on Chrome, which I believe is a new feature introduced in VS 2017. Go to Tools > Options > Debugging > General and turn off the setting for Enable JavaScript Debugging for ASP.NET (Chrome and IE).