See electron/electron#26151.
Would be nice if e init did something about this. Either warning the user, or adding the exclusion automatically (would require running something as Administrator).
A little bit of Googling gives me:
powershell -Command Start-Process powershell -Verb runAs as a way to elevate powershell (prompting the user)
Get-MpPreference in powershell will show you the exclusions under ExclusionPath.