Region/User-Agent Block on Antigravity IDE (Google AI Pro Subscriber - Peru)

Google Antigravity
1

# Bug Report: Region/User-Agent Block on Antigravity IDE (Google AI Pro Subscriber - Peru)

## Issue Details

* **Country / Billing Region:** Peru (PE) - Account completely validated in Google Pay and Google Terms.

* **Account Type:** Personal Gmail (`@gmail.com`) with an active **Google AI Pro** Subscription.

* **Problem Description:** The Antigravity IDE successfully authenticates and allows user login. However, the Chat Agent crashes instantly upon initialization or sending a message, raising regional routing and network exceptions.

## Error Codes Captured (Chronological Order)

1. `1f4116da-978d-4ced-9521-cc0809a638ab-4` (Backend routing exception)

2. `87afe2e3-5bc3-48fe-a586-d8fb1d7ed367` (Session synchronization failure)

3. `a7df6636-7e07-49b3-9602-d83fb0dc3c44-5` (User-Agent / API metadata mismatch)

## Troubleshooting Steps Already Taken

* **Complete Cache & Session Wipe:** Deleted all files inside `%AppData%\Antigravity`, `%LocalAppData%\Programs\Antigravity`, and the hidden user directory `.gemini`.

* **Clean Reinstallation:** Performed a deep uninstallation and manually verified that no residual binary folders (`opencode`, `agy`) were left in the system before installing the latest version from the official releases channel.

* **Account & Browser Isolation:** Verified country association settings in the Google profile, disabled all external VPNs/proxies, and switched primary DNS to Google Public DNS (`8.8.8.8` / `8.8.4.4`).

* **Google Account Reset:** Paused and restarted the *Web & App Activity* flag under Google My Activity settings to force a fresh OAuth session token propagation.

*The issue remains unresolved, and the agent consistently locks up with the latest error ID listed above.*

2

Hi @Luis_Angel_Davila_Ca, Welcome to the Forum!

Could you please try these steps to resolve this issue:

  • Certain ISPs in Peru route IPv6 traffic through transit pools that fail location verification.

    • Open Control Panel > Network and Sharing Center > Change adapter settings.
    • Right-click your active connection > Properties.
    • Uncheck Internet Protocol Version 6 (TCP/IPv6), click OK, and restart the IDE.

  • Verify Your Google Country Association

    • Visit policies.google.com/terms while logged in.
    • Scroll to the bottom to verify the country is Peru. If incorrect, you must submit a correction via the Google Country Association Troubleshooter.

  • Test a Mobile Hotspot

    • Temporarily connect your PC to a cellular hotspot. If the IDE works, it confirms your home ISP’s IP address is triggering the block.

  • Switch to Gemini Flash

    • Switch your active model to Gemini 3.5 or 3.7 Flash. These models route through broader global endpoints that sometimes bypass strict local routing errors.

  • Test the Antigravity CLI

    • Open your terminal and run agy auth login followed by agy. If the CLI works but the IDE does not, the issue is isolated to the IDE’s local proxy handler.