As I launch iBooks the first line shown below repeated about 20-30 times with slight variation then: 9/15/15 5:03:14.171 PM com.apple.CommerceKit.TransactionService[44278]: TransactionServiceDelegate: Accepting new connection connection from pid 41142 with interface (PID 41142) 9/15/15 5:03:14.172 PM com.apple.CommerceKit.TransactionService[44276]: Failed to obtain sandbox extension for path=/Users/msverruto/Library/Caches/com.apple.CommerceKit.TransactionService. Errno:1 9/15/15 5:03:14.173 PM com.apple.CommerceKit.TransactionService[44276]: Failed to obtain sandbox extension for path=/Users/msverruto/Library/Caches/com.apple.CommerceKit.TransactionService. Errno:1 9/15/15 5:03:14.174 PM storeaccountd[40968]: AccountServiceDelegate: Accepting new connection connection from pid 44278 with interface (PID 44278) then after many many similar to the first one, these last ones end the log: 9/15/15 5:03:17.038 PM storeaccountd[40968]: AccountServiceDelegate: Accepting new connection connection from pid 41142 with interface (PID 41142) 9/15/15 5:03:17.113 PM storeaccountd[40968]: ADI: { Connection = "keep-alive"; "Content-Length" = 32; "Content-Type" = "application/x-dmap-tagged"; Date = "Tue, 15 Sep 2015 21:03:17 GMT"; "Strict-Transport-Security" = "max-age=31536000"; "apple-timing-app" = "38 ms"; "server-cloud-daap-version" = "1.0"; "x-apple-actionsignature" = "AQCwsUark53IOLAf+mO650YFktdxIzZI/CmOquHUaTVN9T9zQDV4x2D4I1KfTuhX+zxFvETM0OEsgeDqF1FfovNiAAAAFXIvDb7i66nxnBO8ISz5yJdx9kmUBw=="; "x-apple-application-instance" = 402801; "x-apple-application-site" = ST11; "x-apple-jingle-correlation-key" = NSEEFA26T4VT4CDCWT3BY6EEPU; "x-webobjects-loadaverage" = 0; } 9/15/15 5:03:17.115 PM storeaccountd[40968]: AccountServiceDelegate: Accepting new connection connection from pid 44278 with interface (PID 44278) 9/15/15 5:04:17.957 PM soagent[40956]: Can't allocate SOHelper inside com.apple.soagent Thats it. Apple iWorks emailed me to send them a spin dump but have not heard back since..... Thanks!!!