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If you are experiencing issues with Google Antigravity, the problem is likely due to the massive Antigravity 2.0 update or strict AI agent workspace restrictions. Because Antigravity operates as an autonomous, agent-first IDE rather than a standard text editor, it relies on strict file access and background updates that frequently trigger errors.Here are the most common reasons why Antigravity is failing and how to fix them:1. The Antigravity 2.0 "Hijack" or UI ChangeThe 2.0 update split Antigravity into sub-applications (CLI, SDK, and IDE) and drastically changed the interface to a coding-only format. On Windows systems, the update often dumps its new app.asar files into the exact same folder as the original IDE, completely locking users out of the previous interface.The Fix: If you prefer the old setup, the most stable workaround is to downgrade. Uninstall the current version, download Version 1.23.2 (or the December 2025 build) from the Antigravity Download Page, and immediately change your Update Settings to Manual Mode to block auto-updates.2. Workspace Scope & File System ErrorsIf your AI agent crashes with an error like Agent terminated due to file path resolution failure, it means the agent tried to write code outside its designated sandbox. The agent has strict security limits and will freeze if its target folder doesn't match your active sidebar workspace.The Fix: Go to the Workspaces tab in your left sidebar, click "Change Workspace", and explicitly select the exact folder where your project is stored, then restart the task.3. Stuck "Strict Mode" Settings BugA known UI glitch in the user settings panel falsely displays that you have "Full Access" when the IDE is actually locked in "Strict Mode," preventing you from modifying configurations or using the terminal properly.The Fix: Click the Gear Icon to open user settings, manually toggle the access mode to something else, and then re-select "Full Access" to force-override the bug.4. Background Updater & CLI Process CollisionsThe Antigravity CLI utilizes a background self-updater with an advisory lock file (update.lock). If a background update crashes or lacks filesystem permissions, the lock file remains stuck, blocking all subsequent updates or commands.The Fix: Manually clear out the cached updater files. Navigate to ~/.gemini/antigravity-cli/updater/ on your system and delete the update.lock file to clear the loop.5. Missing System Environment Variables (Windows)If the integrated native browser tool crashes instantly upon launch, the browser is likely looking for your system's HOME path and failing to find it.The Fix: Open your terminal and map your user folder by executing a command to point your PC's home variable to your primary user folder, then restart your machine.6. Cache Corruption and Model Loading FailuresIf your dashboard loads but your actual LLM models are missing or failing to render, an expired authentication token or a corrupted browser/app cache is the culprit.The Fix: On macOS, completely clear the cache folders by deleting ~/Library/Application Support/Antigravity/Cache. If using the browser-based platform, clear your cookies, disable ad-blockers (which often block the API script calls), or run it in Incognito Mode.To help narrow this down, could you let me know what specific error message you see or which part of the app (the terminal, the AI agent, or the window itself) is freezing?