vscode : how to fix ＂XHR Failed＂ when you open extension panel，vscodexhr

vscode : how to fix "XHR Failed" when you open extension panel，vscodexhr

When trying to install an extension in vscode, you get an error XHR Failed. like this issue:

please try this solution:

1) open file :
    sudo subl /usr/share/applications/code.desktop 

2) modify the Exec value with red argument and save the change  :

       Exec=/usr/share/code/code --unity-launch --ignore-certificate-errors %F

3) restart vscode via command in terminal window : code

4) click toolbar "Extension" button and check extension again,