Wordfence Scan Hanging

Wordfence (Version 6.0.16) is hanging on the steps:
– Scanning file contents for infections and vulnerabilities
– Scanning files for URLs in Google’s safe browsing list

I enabled debugging mode and here are the last few lines of the scan log:

[ Moderator note: code fixed. Please wrap code in the backtick character or use the code button. ]

[Sep 10 20:56:38:1441932998.217837:4:info] Calling Wordfence API v2.17:https://noc1.wordfence.com//v2.17/?v=4.3&s=http%3A%2F%2Fwww.mounthopefarm.org&k=49d982f1dc2be8b769981834607398d8ec76ca1ba537778c8e68f2968edfdb0b76db93e5fffe331ea93d3674ec6dcfc555983a43894242a5429a99889ce7585b245e4331fbc182437c98cc5a5e017451&action=ping_api_key
[Sep 10 20:56:18:1441932978.776874:4:info] Calling Wordfence API v2.17:https://noc1.wordfence.com//v2.17/?v=4.3&s=http%3A%2F%2Fwww.mounthopefarm.org&k=49d982f1dc2be8b769981834607398d8ec76ca1ba537778c8e68f2968edfdb0b76db93e5fffe331ea93d3674ec6dcfc555983a43894242a5429a99889ce7585b245e4331fbc182437c98cc5a5e017451&action=ping_api_key
[Sep 10 12:35:33:1441902933.868587:2:info] Scanned contents of 576 additional files at 4.95 per second
[Sep 10 12:35:32:1441902932.843729:2:info] Scanned contents of 556 additional files at 4.82 per second
[Sep 10 12:35:31:1441902931.770983:2:info] Scanned contents of 541 additional files at 4.73 per second
[Sep 10 12:35:30:1441902930.736811:2:info] Scanned contents of 517 additional files at 4.56 per second