IMac hangs (sometimes) on wake up

Question

Hello everyone
Over the last month or so, my iMac has sometimes started hanging on wake up.  The mouse still moves and I can click on icons to open programmes but they just bounce and never open.  I can force them to shut down and I can close any programmes I had left open.  It will not go on the wireless network when this happens nor will it let me turn wireless off and on.  I have to do a hard shut down to make it work again.  Normal shut down just results in it sitting doing nothing.
I copied the system log from this morning's hang up.  I have had my computer for over a year now but some of the inner workings of Macs are still very strange to me (I was a PC user before) so please be patient and do not assume that I will understand a reply.
Thank you for your help!
PS I have removed my name from some of the log entries so if a gmail bit looks funny, that's why.
18/07/2013 07:37:31.198 hidd[59]: MultitouchHID: device bootloaded
18/07/2013 07:37:31.294 WindowServer[86]: handle_will_sleep_auth_and_shield_windows: releasing authw 0x7f8ad2139140(2004), shield 0x7f8ad222a170(2001), lock state 3
18/07/2013 07:37:31.320 WindowServer[86]: handle_will_sleep_auth_and_shield_windows: err 0x0
18/07/2013 07:37:31.321 WindowServer[86]: Created shield window 0x359 for display 0x003f003d
18/07/2013 07:37:31.321 WindowServer[86]: handle_will_sleep_auth_and_shield_windows: releasing authw 0x7f8ad2139140(2002), shield 0x7f8ad222a170(2001), lock state 3
18/07/2013 07:37:31.321 WindowServer[86]: handle_will_sleep_auth_and_shield_windows: err 0x0
18/07/2013 07:37:31.321 WindowServer[86]: Created shield window 0x35a for display 0x003f003e
18/07/2013 07:37:31.322 WindowServer[86]: handle_will_sleep_auth_and_shield_windows: releasing authw 0x7f8ad2139140(2002), shield 0x7f8ad222a170(2001), lock state 3
18/07/2013 07:37:31.322 WindowServer[86]: handle_will_sleep_auth_and_shield_windows: err 0x0
18/07/2013 07:37:31.332 WindowServer[86]: Created shield window 0x35b for display 0x003f003f
18/07/2013 07:37:31.332 WindowServer[86]: handle_will_sleep_auth_and_shield_windows: releasing authw 0x7f8ad2139140(2002), shield 0x7f8ad222a170(2001), lock state 3
18/07/2013 07:37:31.332 WindowServer[86]: handle_will_sleep_auth_and_shield_windows: err 0x0
18/07/2013 06:02:44.000 kernel[0]: Wake reason: EHC2
18/07/2013 07:37:31.000 kernel[0]: Previous Sleep Cause: 5
18/07/2013 07:37:31.000 kernel[0]: The USB device HubDevice (Port 1 of Hub at 0xfa000000) may have caused a wake by issuing a remote wakeup (2)
18/07/2013 07:37:31.000 kernel[0]: The USB device BRCM2046 Hub (Port 1 of Hub at 0xfa100000) may have caused a wake by issuing a remote wakeup (3)
18/07/2013 07:37:31.000 kernel[0]: TBT W (1): 0 [x]
18/07/2013 07:37:31.000 kernel[0]: The USB device Bluetooth USB Host Controller (Port 1 of Hub at 0xfa110000) may have caused a wake by issuing a remote wakeup (3)
18/07/2013 07:37:31.000 kernel[0]: 33088.340656: performCountryCodeOperation: Not connected, scan in progress[0]
18/07/2013 07:37:31.000 kernel[0]: HID tickle 205 ms
18/07/2013 07:37:35.702 loginwindow[55]: resume called when there was already a timer
18/07/2013 07:37:46.840 WindowServer[86]: CGXSetWindowBackgroundBlurRadius: Invalid window 0xffffffff
18/07/2013 07:37:46.841 loginwindow[55]: find_shared_window: WID -1
18/07/2013 07:37:46.841 loginwindow[55]: CGSGetWindowTags: Invalid window 0xffffffff
18/07/2013 07:37:46.841 loginwindow[55]: find_shared_window: WID -1
18/07/2013 07:37:46.841 loginwindow[55]: CGSSetWindowTags: Invalid window 0xffffffff
18/07/2013 07:37:46.852 loginwindow[55]: ERROR | -[LWBuiltInScreenLockAuthLion preLoad] | guestEnabled is true, but guest mode is not set to a usable value
18/07/2013 07:37:46.956 WindowServer[86]: Created shield window 0x35f for display 0x04280300
18/07/2013 07:37:46.956 WindowServer[86]: device_generate_desktop_screenshot: authw 0x7f8ad2114220(2000), shield 0x7f8ad16286c0(2001)
18/07/2013 07:37:46.990 WindowServer[86]: device_generate_lock_screen_screenshot: authw 0x7f8ad2114220(2000), shield 0x7f8ad16286c0(2001)
18/07/2013 07:37:48.115 WindowServer[86]: handle_will_sleep_auth_and_shield_windows: releasing authw 0x7f8ad2114220(2000), shield 0x7f8ad16286c0(2001), lock state 2
18/07/2013 07:37:48.116 WindowServer[86]: handle_will_sleep_auth_and_shield_windows: errs 0x0, 0x0, 0x0
18/07/2013 07:37:48.117 WindowServer[86]: Created shield window 0x360 for display 0x003f003d
18/07/2013 07:37:48.117 WindowServer[86]: handle_will_sleep_auth_and_shield_windows: releasing authw 0x7f8ad2114220(2000), shield 0x7f8ad16286c0(2001), lock state 2
18/07/2013 07:37:48.118 WindowServer[86]: handle_will_sleep_auth_and_shield_windows: errs 0x0, 0x0, 0x0
18/07/2013 07:37:48.119 WindowServer[86]: Created shield window 0x361 for display 0x003f003e
18/07/2013 07:37:48.119 WindowServer[86]: handle_will_sleep_auth_and_shield_windows: releasing authw 0x7f8ad2114220(2000), shield 0x7f8ad16286c0(2001), lock state 2
18/07/2013 07:37:48.119 WindowServer[86]: handle_will_sleep_auth_and_shield_windows: errs 0x0, 0x0, 0x0
18/07/2013 07:37:48.120 WindowServer[86]: Created shield window 0x362 for display 0x003f003f
18/07/2013 07:37:48.120 WindowServer[86]: handle_will_sleep_auth_and_shield_windows: releasing authw 0x7f8ad2114220(2000), shield 0x7f8ad16286c0(2001), lock state 2
18/07/2013 07:37:48.120 WindowServer[86]: handle_will_sleep_auth_and_shield_windows: errs 0x0, 0x0, 0x0
18/07/2013 07:38:05.681 CalendarAgent[210]: [com.apple.calendar.store.log.caldav.queue] [Got error on refresh, but not rectifying principal because it was manually configured: Error Domain=NSURLErrorDomain Code=-1001 "Time-out van het verzoek." UserInfo=0x7f9cfc182170 {NSUnderlyingError=0x7f9cfc0ddd10 "Time-out van het verzoek.", NSErrorFailingURLStringKey=https://%[email protected]/calendar/dav/40gmail.com///%[email protected]/calendar/dav/40gmail.com/, NSErrorFailingURLKey=https://%[email protected]/calendar/dav/tristanjovanovic%40gmail.c om///%[email protected]/calendar/dav/tristanjovanovic%40gmail.com/, NSLocalizedDescription=Time-out van het verzoek.}]
18/07/2013 07:38:05.695 CalendarAgent[210]: [com.apple.calendar.store.log.caldav.queue] [Account .com@https://calendar.google.com/calendar/dav/%40gmail.com/user/ timed out when executing operation: <CalDAVAccountRefreshQueueableOperation: 0x7f9cfc639e10; Sequence: 0>]
18/07/2013 07:38:05.705 CalendarAgent[210]: [com.apple.calendar.store.log.caldav.queue] [Account refresh failed with error: Error Domain=NSURLErrorDomain Code=-1001 "Time-out van het verzoek." UserInfo=0x7f9cfc1bef90 {NSUnderlyingError=0x7f9cfc0ddd10 "Time-out van het verzoek.", NSErrorFailingURLStringKey=https://%[email protected]/calendar/dav/40gmail.com///%[email protected]/calendar/dav/40gmail.com/, NSErrorFailingURLKey=https://@calendar.google.com/calendar/dav/tristanjovanovic%40gmail.com///@calendar.google.com/calendar/dav/tristanjovanovic%40gmail.com/, AccountName=Gmail, CalDAVErrFromRefresh=YES, NSLocalizedDescription=Time-out van het verzoek.}]
18/07/2013 07:38:05.758 com.apple.backupd[3347]: Starting automatic backup
18/07/2013 07:38:06.713 com.apple.backupd[3347]: Backing up to: /Volumes/Time Machine/Backups.backupdb
18/07/2013 07:38:07.964 com.apple.backupd[3347]: Using file event preflight for Macintosh HD
18/07/2013 07:38:08.852 com.apple.backupd[3347]: Will copy (1.01 GB) from Macintosh HD
18/07/2013 07:38:08.868 com.apple.backupd[3347]: Found 1106 files (1.01 GB) needing backup
18/07/2013 07:38:08.890 com.apple.backupd[3347]: 3.29 GB required (including padding), 131.78 GB available
18/07/2013 07:39:54.724 com.apple.backupd[3347]: Copied 5526 files (1.03 GB) from volume Macintosh HD.
18/07/2013 07:39:54.748 com.apple.backupd[3347]: Using file event preflight for Macintosh HD
18/07/2013 07:39:54.752 com.apple.backupd[3347]: Will copy (Zero KB) from Macintosh HD
18/07/2013 07:39:54.752 com.apple.backupd[3347]: Found 15 files (Zero KB) needing backup
18/07/2013 07:39:54.753 com.apple.backupd[3347]: 2.08 GB required (including padding), 130.74 GB available
18/07/2013 07:39:58.643 com.apple.backupd[3347]: Copied 435 files (5.6 MB) from volume Macintosh HD.
18/07/2013 07:39:58.790 com.apple.backupd[3347]: Created new backup: 2013-07-18-073958
18/07/2013 07:40:13.279 com.apple.launchd.peruser.501[178]: ([0x0-0x37e37e].com.apple.Notes[3349]) Exited: Terminated: 15

Answer 1

Please read this whole message before doing anything.
This procedure is a diagnostic test. It won’t solve your problem. Don’t be disappointed when you find that nothing has changed after you complete it.
Third-party system modifications are a common cause of usability problems. By a “system modification,” I mean software that affects the operation of other software — potentially for the worse. The following procedure will help identify which such modifications you've installed. Don’t be alarmed by the complexity of these instructions — they’re easy to carry out and won’t change anything on your Mac. 
These steps are to be taken while booted in “normal” mode, not in safe mode. If you’re now running in safe mode, reboot as usual before continuing. 
Below are instructions to enter some UNIX shell commands. The commands are harmless, but they must be entered exactly as given in order to work. If you have doubts about the safety of the procedure suggested here, search this site for other discussions in which it’s been followed without any report of ill effects. 
Some of the commands will line-wrap or scroll in your browser, but each one is really just a single line, all of which must be selected. You can accomplish this easily by triple-clicking anywhere in the line. The whole line will highlight, and you can then copy it. The headings “Step 1” and so on are not part of the commands. 
Note: If you have more than one user account, Step 2 must be taken as an administrator. Ordinarily that would be the user created automatically when you booted the system for the first time. The other steps should be taken as the user who has the problem, if different. Most personal Macs have only one user, and in that case this paragraph doesn’t apply. 
Launch the Terminal application in any of the following ways: 
☞ Enter the first few letters of its name into a Spotlight search. Select it in the results (it should be at the top.) 
☞ In the Finder, select Go ▹ Utilities from the menu bar, or press the key combination shift-command-U. The application is in the folder that opens. 
☞ Open LaunchPad. Click Utilities, then Terminal in the icon grid. 
When you launch Terminal, a text window will open with a line already in it, ending either in a dollar sign (“$”) or a percent sign (“%”). If you get the percent sign, enter “sh” and press return. You should then get a new line ending in a dollar sign. 
Step 1 
Triple-click the line of text below on this page to select it:
kextstat -kl | awk '!/com\.apple/{printf "%s %s\n", $6, $7}' | open -f -a TextEdit 
Copy the selected text to the Clipboard by pressing the key combination command-C. Then click anywhere in the Terminal window and paste (command-V). A TextEdit window will open with the output of the command. If the command produced no output, the window will be empty. Post the contents of the TextEdit window (not the Terminal window), if any — the text, please, not a screenshot. You can then close the TextEdit window. The title of the window doesn't matter, and you don't need to post that. No typing is involved in this step.
Step 2 
Repeat with this line:
{ sudo launchctl list | sed 1d | awk '!/0x|com\.(apple|openssh|vix)|org\.(amav|apac|cups|isc|ntp|postf|x)/{print $3}'; sudo defaults read com.apple.loginwindow LoginHook; sudo crontab -l; } 2> /dev/null | open -f -a TextEdit 
This time you'll be prompted for your login password, which you do have to type. Nothing will be displayed when you type it. Type it carefully and then press return. You may get a one-time warning to be careful. Heed that warning, but don't post it. If you see a message that your username "is not in the sudoers file," then you're not logged in as an administrator. 
Note: If you don’t have a login password, you’ll need to set one before taking this step. If that’s not possible, skip to the next step. 
Step 3
{ launchctl list | sed 1d | awk '!/0x|com\.apple|org\.(x|openbsd)/{print $3}'; crontab -l 2> /dev/null; } | open -f -a TextEdit 
Step 4
ls -1A /e*/{la,mach}* {,/}L*/{Ad,Compon,Ex,Fram,In,Keyb,La,Mail/Bu,P*P,Priv,Qu,Scripti,Servi,Spo,Sta}* L*/Fonts .la* 2> /dev/null | open -f -a TextEdit  
Important: If you formerly synchronized with a MobileMe account, your me.com email address may appear in the output of the above command. If so, anonymize it before posting. 
Step 5
osascript -e 'tell application "System Events" to get name of every login item' | open -f -a TextEdit 
Remember, steps 1-5 are all copy-and-paste — no typing, except your password. Also remember to post the output. 
You can then quit Terminal.