This approach works for me:
Step 1: Find the log folder of Antigravity IDE in path C:\Users\your-username\AppData\Roaming\Antigravity IDE\logs
Step 2: Find the latest log folder and read the ls-main.log file, if you see the lines like this, it means that the internet is blocked(company policy, …etc).
2026-06-23 10:47:54.642 [error] [LS Main stderr] E0623 10:47:54.642443 18184 client.go:58] Post "``https://play.googleapis.com/log``": dial tcp 216.239.34.223:443: connectex: An attempt was made to access a socket in a way forbidden by its access permissions.
ERROR: logging before google.Init: E0623 10:47:54.642443 75 g3syslog.go:23] [Post "``https://play.googleapis.com/log``": dial tcp 216.239.34.223:443: connectex: An attempt was made to access a socket in a way forbidden by its access permissions.]
Step 3: If you have your own proxy, put it in “Environment Variables” with variable’s name HTTP_PROXY and HTTPS_PROXY
Step 4: Restart Antigravity and try again
Hope it works!