Cannot complete scan

Continuing drama with many sites – scans do not complete except on very small basic wp sites ??
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Here is the activity log:

[Feb 04 18:41:19:1486194079.680239:4:info] Scan process ended after forking.
[Feb 04 18:41:19:1486194079.252517:2:info] 10163 files indexed
[Feb 04 18:41:18:1486194078.881084:4:info] Skipping unneeded hash: /home/nicvlu1/uppermurraytourism.com/wp-content/wflogs/wafRules.rules
[Feb 04 18:41:18:1486194078.879256:4:info] Skipping unneeded hash: /home/nicvlu1/uppermurraytourism.com/wp-content/wflogs/config.tmp.Q5u7b1
[Feb 04 18:41:18:1486194078.877036:4:info] Skipping unneeded hash: /home/nicvlu1/uppermurraytourism.com/wp-content/wflogs/.htaccess
[Feb 04 18:41:18:1486194078.875979:4:info] Skipping unneeded hash: /home/nicvlu1/uppermurraytourism.com/wp-content/uploads/wpcf7_uploads/.htaccess
[Feb 04 18:41:18:1486194078.874598:4:info] Skipping unneeded hash: /home/nicvlu1/uppermurraytourism.com/wp-content/uploads/thumb-cache/winter-sunset-at-Maritas-Place-Corryong-36776cbe645a5d54b8ca7da8dc306a1e-218×168-100-crop.jpg
[Feb 04 18:41:18:1486194078.872942:4:info] Skipping unneeded hash: /home/nicvlu1/uppermurraytourism.com/wp-content/uploads/thumb-cache/upper-murray-icon-image-300×117-40aa5b9fdf979ffcbcaf4abd11accb97-198×130-100-crop.jpg
[Feb 04 18:41:18:1486194078.871368:4:info] Skipping unneeded hash: /home/nicvlu1/uppermurraytourism.com/wp-content/uploads/thumb-cache/unnamed-4-80f1615aecd8284eb42eaceaeb2a79e6-198×130-100-crop.jpg
[Feb 04 18:41:18:1486194078.870014:4:info] Skipping unneeded hash: /home/nicvlu1/uppermurraytourism.com/wp-content/uploads/thumb-cache/the-Road-to-Kosciuszko-d10a5fd55431bfdbac1091dbe5a5af01-218×168-100-crop.jpeg
[Feb 04 18:41:18:1486194078.868528:4:info] Skipping unneeded hash: /home/nicvlu1/uppermurraytourism.com/wp-content/uploads/thumb-cache/room-f184ce0d9002ca3beaa2f179dede475f-218×168-100-crop.jpg
[Feb 04 18:41:18:1486194078.867192:4:info] Skipping unneeded hash: /home/nicvlu1/uppermurraytourism.com/wp-content/uploads/thumb-cache/on-the-verandah-at-maritas-place-accommodation-corryong-756174be50ebf7311d474be368d7631b-218×168-100-crop.jpg
[Feb 04 18:41:18:1486194078.865122:4:info] Skipping unneeded hash: /home/nicvlu1/uppermurraytourism.com/wp-content/uploads/thumb-cache/office-2596ac8723125c3fbe7de1f572adb096-218×168-100-crop.jpg
[Feb 04 18:41:18:1486194078.863778:4:info] Skipping unneeded hash: /home/nicvlu1/uppermurraytourism.com/wp-content/uploads/thumb-cache/motel-hotel-food-pool-wifi-family-accommodation-corryong-mountain-view-motel-4-652c14dfb52f27e206a7e71393fca837-218×168-100-crop.jpg
[Feb 04 18:41:18:1486194078.861537:4:info] Skipping unneeded hash: /home/nicvlu1/uppermurraytourism.com/wp-content/uploads/thumb-cache/motel-hotel-food-pool-wifi-family-accommodation-corryong-mountain-view-motel-3-3ecc98cf6b303c83a63bcbb7ea10f8d1-218×168-100-crop.jpg
[Feb 04 18:41:18:1486194078.859384:4:info] Skipping unneeded hash: /home/nicvlu1/uppermurraytourism.com/wp-content/uploads/thumb-cache/motel-hotel-food-pool-wifi-family-accommodation-corryong-mountain-view-motel-1-1-42a8b546ad0e9ece59fd449f1470172b-218×168-100-crop.jpg
[Feb 04 18:41:18:1486194078.857131:4:info] Skipping unneeded hash: /home/nicvlu1/uppermurraytourism.com/wp-content/uploads/thumb-cache/motel-hotel-food-pool-wifi-family-accommodation-Corryong-mountain-view-motel-2-f0dbd6cd4f607b3f6697638737a91a2a-218×168-100-crop.jpg
[Feb 04 18:41:18:1486194078.854970:4:info] Skipping unneeded hash: /home/nicvlu1/uppermurraytourism.com/wp-content/uploads/thumb-cache/mittamatite-648e6a75d812cae84cd498d91d6c0b39-218×168-100-crop.jpg
[Feb 04 18:41:18:1486194078.853680:4:info] Skipping unneeded hash: /home/nicvlu1/uppermurraytourism.com/wp-content/uploads/thumb-cache/jackriley_320-264f2b0f9eed346282e75c2f194d53ac-218×168-100-crop.jpg
[Feb 04 18:41:18:1486194078.852307:4:info] Skipping unneeded hash: /home/nicvlu1/uppermurraytourism.com/wp-content/uploads/thumb-cache/images8-2-1eef65ed343b9e2cb09440bc7a8f19d7-198×130-100-crop.jpg
[Feb 04 18:41:18:1486194078.851001:4:info] Skipping unneeded hash: /home/nicvlu1/uppermurraytourism.com/wp-content/uploads/thumb-cache/images6P2XEZP2-a9965dc8b9f2aae93b9c243e9e7fc737-198×130-100-crop.jpg
[Feb 04 18:41:18:1486194078.849675:4:info] Skipping unneeded hash: /home/nicvlu1/uppermurraytourism.com/wp-content/uploads/thumb-cache/f8467d42bd931771872f71a3afafdec2-fb5e815525a2895d92d37a518672b7fc-198×130-100-crop.jpg
[Feb 04 18:41:18:1486194078.848113:4:info] Skipping unneeded hash: /home/nicvlu1/uppermurraytourism.com/wp-content/uploads/thumb-cache/f8467d42bd931771872f71a3afafdec2-e4479364a758aa638af8a3b38c66440b-198×130-100-crop.jpg
[Feb 04 18:41:18:1486194078.846558:4:info] Skipping unneeded hash: /home/nicvlu1/uppermurraytourism.com/wp-content/uploads/thumb-cache/f8467d42bd931771872f71a3afafdec2-e28053a66d4e34a683231da47f86899d-198×130-100-crop.jpg
[Feb 04 18:41:18:1486194078.844968:4:info] Skipping unneeded hash: /home/nicvlu1/uppermurraytourism.com/wp-content/uploads/thumb-cache/f8467d42bd931771872f71a3afafdec2-e03f4798cb68089dccf46d9eec441480-198×130-100-crop.jpg
[Feb 04 18:41:18:1486194078.842359:4:info] Skipping unneeded hash: /home/nicvlu1/uppermurraytourism.com/wp-content/uploads/thumb-cache/f8467d42bd931771872f71a3afafdec2-b2db7158914dd2367ac73d25c1492376-198×130-100-crop.jpg
[Feb 04 18:41:18:1486194078.840841:4:info] Skipping unneeded hash: /home/nicvlu1/uppermurraytourism.com/wp-content/uploads/thumb-cache/f8467d42bd931771872f71a3afafdec2-64ba3c83b051dd810eaea32b67ccb20b-198×130-100-crop.jpg
[Feb 04 18:41:18:1486194078.839116:4:info] Skipping unneeded hash: /home/nicvlu1/uppermurraytourism.com/wp-content/uploads/thumb-cache/f8467d42bd931771872f71a3afafdec2-5d8ce339e0dc296d43635b3505201670-198×130-100-crop.jpg
[Feb 04 18:41:18:1486194078.830578:4:info] Indexing files for scanning
[Feb 04 18:41:18:1486194078.828432:4:info] Got a true deserialized value back from ‘wfsd_engine’ with type: object
[Feb 04 18:41:18:1486194078.610541:4:info] Setting up scanRunning and starting scan
[Feb 04 18:41:18:1486194078.610174:4:info] Setting up error handling environment
[Feb 04 18:41:18:1486194078.609811:4:info] Requesting max memory
[Feb 04 18:41:18:1486194078.609474:4:info] Done become admin
[Feb 04 18:41:18:1486194078.609047:4:info] Scan authentication complete.
[Feb 04 18:41:18:1486194078.606466:4:info] Scan will run as admin user ‘(deleted this)’ with ID ‘5’ sourced from: singlesite get_users() function
[Feb 04 18:41:18:1486194078.604901:4:info] Becoming admin for scan
[Feb 04 18:41:18:1486194078.604180:4:info] Checking saved cronkey against cronkey param
[Feb 04 18:41:18:1486194078.603857:4:info] Exploding stored cronkey
[Feb 04 18:41:18:1486194078.603505:4:info] Fetching stored cronkey for comparison.
[Feb 04 18:41:18:1486194078.603177:4:info] Checking cronkey
[Feb 04 18:41:18:1486194078.602811:4:info] Scan engine received request.
[Feb 04 18:41:17:1486194077.490386:4:info] Starting cron via proxy at URL https://noc1.wordfence.com/scanp/www.uppermurraytourism.com/wp-admin/admin-ajax.php?action=wordfence_doScan&isFork=1&cronKey=106dc9ce40283a877535ae49
[Feb 04 18:41:17:1486194077.489445:4:info] getMaxExecutionTime() returning config value: 20
[Feb 04 18:41:17:1486194077.489089:4:info] Got value from wf config maxExecutionTime: 20
[Feb 04 18:41:17:1486194077.488568:4:info] Calling startScan(true)
[Feb 04 18:41:17:148619