PowerShell opens in a separated window with ConPTY and windows 1903

[blikblum]

Issue Type: Bug

I have configured PowerShell as default shell for integrated terminal.
It was working fine with vscode version 1.36 and windows 1809

After i updated windows to 1903, a separated powershell terminal window shows everytime i enable the intergrated terminal.

The integrated terminal panel does not accepts input and if i close the powershel window, vscode shows "The terminal process terminated with exit code: 3221225786" error message

Update: disabling ConPTY makes work again

VS Code version: Code 1.36.1 (2213894, 2019-07-08T22:59:35.033Z)
OS version: Windows_NT x64 10.0.18362

System Info

Item	Value
CPUs	Intel(R) Core(TM) i7-7700 CPU @ 3.60GHz (8 x 3600)
GPU Status	2d_canvas: enabled flash_3d: enabled flash_stage3d: enabled flash_stage3d_baseline: enabled gpu_compositing: enabled multiple_raster_threads: enabled_on native_gpu_memory_buffers: disabled_software oop_rasterization: disabled_off protected_video_decode: enabled rasterization: enabled skia_deferred_display_list: disabled_off skia_renderer: disabled_off surface_synchronization: enabled_on video_decode: enabled viz_display_compositor: disabled_off webgl: enabled webgl2: enabled
Load (avg)	undefined
Memory (System)	7.91GB (2.02GB free)
Process Argv
Screen Reader	no
VM	67%

Extensions (17)

Extension	Author (truncated)	Version
html-snippets	abu	0.2.1
numbered-bookmarks	ale	6.2.1
snapshot-tools	asv	0.3.0
vscode-standardjs	che	1.2.3
path-intellisense	chr	1.4.2
open-html-in-browser	cod	0.1.21
vsc-material-theme	Equ	29.2.0
prettier-vscode	esb	1.9.0
auto-close-tag	for	0.5.6
debugger-for-chrome	msj	4.11.6
vscode-jest	Ort	3.0.2
inline-html	pus	0.2.5
LiveServer	rit	5.6.1
code-settings-sync	Sha	3.3.1
bootstrap4-vscode	the	6.1.0
JavaScriptSnippets	xab	1.7.2
markdown-all-in-one	yzh	2.4.0

(1 theme extensions excluded)

[blikblum]

The same occurs with the standard command prompt ('cmd.exe')

[blikblum]

If i add the following configuration it starts to work again:

"terminal.integrated.windowsEnableConpty": false

[Tyriar]

/duplicate #73790