I just did a fresh install of Windows 10 Pro version 1903 build 18362.116 and Visual Studio Code. Now the integrated terminal only launches externally.
Pressing
Had this problem fixed. Found the solution from the VS Code support.
for error:
Terminal exits with code 3221225786 (or similar)#
"This can happen when you have legacy console mode enabled in conhost's properties. To change this, open cmd.exe from the start menu, right-click the title bar, go to Properties and under the Options tab, uncheck Use legacy console."
source: VS Code docs