After upgrading to the latest Visual Studio version, I started to get issues. Everytime I opened up Visual Studio it closes after a few seconds without any message or warning. What is going on? Safe Mode The first thing I tried is running Visual Studio in safe mode using the following command: devenv /safemode This will start Visual Studio in safe mode, loading only the default environment and services. This is especially useful if you suspect that the problem is coming from a rogue extension or plugin. This switch prevents all third-party VSPackages from loading when Visual Studio starts. But alas, this time it didn’t help, so let’s try a different approach. The Activity Log So how else can we find out what is going wrong? A second option we got is to log all Visual Studio activities in the Activity Log. To enable this run Visual Studio using the following command: devenv /log After Visual Studio has closed, you can find the logged activities at the following loca