If Gatekeeper blocks KuaiLian VPN on macOS, confirm the installer came from the current download page; check Privacy & Security for Open Anyway; if marked damaged, avoid chat re-forwarded files and follow the macOS install guide for network extension approval.
A re-forwarded DMG from chat showed damaged; the same build from the download page triggered Open Anyway—Gatekeeper distrusts the path, not necessarily the app. Most Mac install failures sit in source, notarization prompts, and network extension approval.
Opens but won't connect → connection guide. Crash on launch → launch checks.
Three prompts, three paths
Unverified developer
Privacy & Security → Open Anyway. Missing button usually means wrong source—re-download.
Damaged, move to Trash
Typical for chat-forwarded DMGs. Prefer a full official download over random terminal fixes.
Network extension blocked
Install succeeds but VPN toggle grey: allow extension in Settings → Network/VPN; see macOS guide.
Old profile conflict
After major macOS upgrades, remove stale VPN profiles before reinstalling.
Suggested install order
- Pick the macOS block on the download page; match Apple Silicon vs Intel notes.
- Don't rename the DMG; double-click and approve if prompted.
- Complete VPN/network extension dialogs before first connect.
- Still stuck: note macOS version, chip, exact error text; check FAQ.