Vue UI must version to 3.0.0 or above to use
if you install version below 3.0.0, so the command line (CMD) under arbitrary path input (uninstall current version) : the vue -v
see version 2.9.6 so sure to uninstall:
enter the command: after first CMD where vue
after entering the specified directory delete all of the vue related files,
with a vue delete all

Then type: CNPM install – g @ vue/cli

then find see the latest version of the

in the specified file open visual tools input vue UI

jump out successfully