I'm experiencing the same issue. I just now updated to 1.4 in ubuntu 14.04 32bit. I have force_https set to false. I am able to login with http, but https just hangs. I removed all btsync traces and performed a fresh install but still having the same issue.
[Solved] Sync 1.4.72 Force_Https Not Working - No Access To Webui
in Sync Troubleshooting
Posted
I'm experiencing the same issue. I just now updated to 1.4 in ubuntu 14.04 32bit. I have force_https set to false. I am able to login with http, but https just hangs. I removed all btsync traces and performed a fresh install but still having the same issue.