My environment paths that output in PowerShell from "$Env:Path.Split(';')". First revision is prior to fixing (issue #3852)[https://github.com/ionic-team/ionic-cli/issues/3852]. Second revision fixes this issue.

3852.ENVPATHS.txt

C:\Program Files\nodejs
C:\Program Files\PowerShell\6\
C:\Program Files\Git\cmd
C:\Windows
C:\Windows\system32
C:\Windows\System32\OpenSSH\
C:\Windows\System32\Wbem
C:\Windows\System32\WindowsPowerShell\v1.0\
C:\ProgramData\chocolatey\bin
C:\Python27
C:\Program Files\dotnet\
C:\Ruby26-x64\bin
C:\Program Files\Java\jdk1.8.0_181\bin
C:\Program Files (x86)\vim\vim80
C:\Users\marck\AppData\Roaming\nvm
C:\Program Files\Android\Android Studio\gradle\gradle-4.4\bin
C:\Users\marck\AppData\Local\Android\Sdk\build-tools
C:\Users\marck\AppData\Local\Android\Sdk\platform-tools
C:\Users\marck\AppData\Local\Android\Sdk\platform-tools\adb
C:\Users\marck\AppData\Local\Android\Sdk\emulator
C:\Users\marck\AppData\Local\Android\Sdk\tools\emulator
C:\Users\marck\AppData\Local\Android\Sdk\tools
C:\Users\marck\AppData\Local\Android\Sdk\tools\bin
C:\Users\marck\AppData\Local\Microsoft\WindowsApps
C:\Users\marck\AppData\Local\Programs\Microsoft VS Code\bin
C:\Users\marck\AppData\Local\Programs\Fiddler
C:\Program Files\Microsoft SQL Server\130\Tools\Binn\
C:\Program Files (x86)\Windows Kits\10\Microsoft Application Virtualization\Sequencer\
C:\Program Files (x86)\Windows Kits\10\Windows Performance Toolkit\