Interesting development...all afternoon, I had Console open, watching for entries, and iTunes didn't open (as indicated above). I closed Console after posting previous message (7:27 PM), and at 7:47 PM, iTunes again opened. Here's the immediate log surrounding that event:
2/2/14 7:43:34.983 PM plugin-container[1190]: CoreText performance note: Client called CTFontCreateWithName() using name "Arial Bold" and got font with PostScript name "Arial-BoldMT". For best performance, only use PostScript names when calling this API.
2/2/14 7:43:34.984 PM plugin-container[1190]: CoreText performance note: Set a breakpoint on CTFontLogSuboptimalRequest to debug.
2/2/14 7:43:35.879 PM plugin-container[1190]: CoreText performance note: Client called CTFontCreateWithName() using name "Arial" and got font with PostScript name "ArialMT". For best performance, only use PostScript names when calling this API.
2/2/14 7:44:30.276 PM firefox[1177]: invalid context
2/2/14 7:44:32.162 PM plugin-container[1190]: CoreText performance note: Client called CTFontCreateWithName() using name "Arial Unicode MS" and got font with PostScript name "ArialUnicodeMS". For best performance, only use PostScript names when calling this API.
2/2/14 7:44:32.366 PM plugin-container[1190]: CoreText performance note: Client called CTFontCreateWithName() using name "Times Roman" and got font with PostScript name "Times-Roman". For best performance, only use PostScript names when calling this API.
2/2/14 7:46:46.154 PM cups-exec[1212]: sandbox cache error 3850
2/2/14 7:46:46.160 PM cups-exec[1214]: sandbox cache error 3850
2/2/14 7:46:46.982 PM cups-exec[1213]: sandbox cache error 1: no such table: profiles
2/2/14 7:46:55.474 PM Officejet_Pro_8500_A910[1240]: The function `CGContextErase' is obsolete and will be removed in an upcoming update. Unfortunately, this application, or a library it uses, is using this obsolete function, and is thereby contributing to an overall degradation of system performance.
2/2/14 7:47:32.080 PM cups-exec[1283]: sandbox cache error 3850
2/2/14 7:47:32.105 PM cups-exec[1282]: sandbox cache error 3850
2/2/14 7:47:34.570 PM Officejet_Pro_8500_A910[1293]: The function `CGContextErase' is obsolete and will be removed in an upcoming update. Unfortunately, this application, or a library it uses, is using this obsolete function, and is thereby contributing to an overall degradation of system performance.
2/2/14 7:47:39.381 PM iTunes[1279]: ApplePushService: APSConnection being used without a delegate queue
2/2/14 7:47:44.982 PM com.apple.SecurityServer[14]: Session 100025 created
2/2/14 7:47:48.381 PM com.apple.SecurityServer[14]: Killing auth hosts
2/2/14 7:47:48.381 PM com.apple.SecurityServer[14]: Session 100022 destroyed
2/2/14 7:48:03.859 PM firefox[1177]: invalid context
2/2/14 7:48:10.818 PM Officejet_Pro_8500_A910[1341]: The function `CGContextErase' is obsolete and will be removed in an upcoming update. Unfortunately, this application, or a library it uses, is using this obsolete function, and is thereby contributing to an overall degradation of system performance.
2/2/14 7:48:18.179 PM Console[1351]: setPresentationOptions called with NSApplicationPresentationFullScreen when there is no visible fullscreen window; this call will be ignored.
2/2/14 7:48:46.908 PM iTunes[1279]: BUG in libdispatch client: kevent[EVFILT_WRITE] delete: "No such file or directory" - 0x2
2/2/14 7:48:56.672 PM Officejet_Pro_8500_A910[1394]: The function `CGContextErase' is obsolete and will be removed in an upcoming update. Unfortunately, this application, or a library it uses, is using this obsolete function, and is thereby contributing to an overall degradation of system performance.
2/2/14 7:52:19.493 PM firefox[1177]: CGSNewCIFilterByName
2/2/14 7:52:19.494 PM WindowServer[100]: CGXSetCIFilterValues: Invalid filter 0
2/2/14 7:52:19.494 PM WindowServer[100]: CGXSetWindowFilter: Invalid filter 0