Error: ERROR in multi main

[a-sitnikov]

trying "ng serve" and get this error

ERROR in multi main
Module not found: Error: Can't resolve 'E:' in 'E:!Data\js\projects!ang-cli\node_modules\angular-cli\models'
@ multi main

ERROR in multi styles
Module not found: Error: Can't resolve 'E:' in 'E:!Data\js\projects!ang-cli\node_modules\angular-cli\models'
@ multi styles
and so on

node : 6.9.1 (also tried on 7)
npm: 3.0.8
angular-cli: angular-cli@1.0.0-beta.22-1
win 10 x64
Tried on fresh install node and npm.
Then
npm install -g angular-cli
then
ng new !ang-cli

[a-sitnikov]

Perhaps the problem is in ! in project name
Update: Removing ! from file names solve the problem

[hansl]

I'm actually going to make sure that only valid project names are created, to avoid this.

[hidegh]

Awesome. What other valid path characters can't be used in the path?

[daniyalnagori]

it is still showing same error ....

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