UNC paths are not supported

[jeffplays2005]

Describe the bug

Unable to run ni/nr/etc because "UNC paths are not supported"

Reproduction

Run any of the commands within a wsl directory

System Info

note: npx envinfo --system --binaries --browsers doesn't seem to work within the same wsl path (i ran the command in C:\Users\user)

  System:
    OS: Windows 11 10.0.26100
    CPU: (24) x64 12th Gen Intel(R) Core(TM) i9-12950HX
    Memory: 39.12 GB / 63.69 GB
  Binaries:
    Node: 22.18.0 - C:\Program Files\nodejs\node.EXE
    npm: 10.9.3 - C:\Program Files\nodejs\npm.CMD
    pnpm: 10.13.1 - ~\AppData\Roaming\npm\pnpm.CMD
  Browsers:
    Edge: Chromium (138.0.3351.109)

Running Windows 11
Using Powershell

Used Package Manager

npm

Validations

• Follow our Code of Conduct
• Read the Contributing Guide.
• Check that there isn't already an issue that reports the same bug to avoid creating a duplicate.
• Check that this is a concrete bug. For Q&A, please open a GitHub Discussion instead.
• The provided reproduction is a minimal reproducible of the bug.

Contributions

• I am willing to submit a PR to fix this issue
• I am willing to submit a PR with failing tests (actually just go ahead and do it, thanks!)