VS code server failed to start

VS Code ssh remote is not stable,
I have connected to Debian on VirtualBox and after closed the window and shutdone the Debian.
Then Booting up Debian and I Tried to connect from VSCode, I could not successfully establish connection. SSH from terminal is working fine so it is the issue in VSCode.  

solution
running the  folowing command from VS Code from host.  (to open comand plate "ctr + shift + p" .)

Uninstall VS Code Server

and trying to connect from VSCode. I can connect and see folders/Directories on the Debian