Posit Assistant login failure: fetch failed

Anyone have trouble using Posit Assistant on a work-managed PC (I'm a fed employee). I can login to Posit AI through a web browser, but not in RStudio. When I try, I get a "fetch failed" error. Version info and diagnostic log are copied below. I suspect this may be a firewall problem? I'd love to try the code assist out, if I can. Appreciate any input.
DJR

2026.04.0 Build 526
RStudio 2026.04.0+526 "Globemaster Allium" Release (57f8932a2d8c5a4a8c0d30ad918ec77f9f2dacaa, 2026-04-18) for windows
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) RStudio/2026.04.0+526 Chrome/142.0.7444.265 Electron/39.8.7 Safari/537.36, Quarto 1.9.36

  • Editor: RStudio 2026.04.0+526
  • Operating System: Windows_NT 10.0.26100 (x64)

Next Edit Suggestions

  • Version: 0.0.1
  • User: Not signed in
  • Authentication Status: NotSignedIn

Network Configuration

Reachability

  • Posit AI Gateway: Error (fetch failed)
  • Posit Auth: Error (fetch failed)
  • Posit API: Error (fetch failed)
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