Mail is preventing shutdown

Every time I try to shut down I get told that Mail is preventing shutdown, I know how to force quit but how do I prevent it from happening in the first place?

Please follow these directions to delete the Mail "sandbox" folders. In OS X 10.9 there are two sandboxes, while in 10.8 there is only one. If you're running a version older than 10.8, this comment isn't applicable.
Back up all data.
Triple-click anywhere in the line below on this page to select it:
~/Library/Containers/com.apple.mail
Right-click or control-click the highlighted line and select
Services ▹ Reveal
from the contextual menu.* A Finder window should open with a folder named "com.apple.mail" selected. If it does, move the selected folder — not just its contents — to the Desktop. Leave the Finder window open for now.
Log out and log back in. Launch Mail and test. If the problem is resolved, you may have to recreate some of your Mail settings. You can then delete the folder you moved and close the Finder window. If you still have the problem, quit Mail again and put the folder back where it was, overwriting the one that may have been created in its place. Repeat with this line:
~/Library/Containers/com.apple.MailServiceAgent
Caution: If you change any of the contents of the sandbox, but leave the folder itself in place, Mail may crash or not launch at all. Deleting the whole sandbox will cause it to be rebuilt automatically.
*If you don't see the contextual menu item, copy the selected text to the Clipboard by pressing the key combination command-C. In the Finder, select
Go ▹ Go to Folder...
from the menu bar, paste into the box that opens (command-V). You won't see what you pasted because a line break is included. Press return.

Similar Messages

Mail repeatedly prevents Macbook from shutting down

When I attempt to shut down my computer, after the countdown, a dialog box saying that my Macbook can't shut down due to Mail not quitting pops up. I force quit Mail and then it shuts down correctly, but this has been an ongoing thing. It originated maybe 2 weeks ago. Prior to that, I never had any problems with Mail preventing shutdown. Any ideas?

Bryan, RC-R, TBrad, Barry, Eric;
I am new posting here, and only a 10 month Mac User.   I have had a similar problem with Mail.   I did try opening the activity window to examine for any processes working, during any Laptop shutdown actions.   The "Activity" screen for MAIL was empty.
I did find a thread (but I very helpful thread here) which worked and solved the issue.   I cannot find that thread again.   But what I did was follow the instructions, via FINDER, to GO TO a specific folder from the the MAIL. It was called Cache.db   The forum instructions to drop it into the TRASH.   That particular folder on my laptop was about 6.7 Megabytes in size.   I dropped it into the TRASH.    Then I went through the LOG out process. MAIL still required a forced shutdown.    Upon restarting the Laptop, I tested MAIL for OPENING and CLOSING and this corrected the problem..
Search the MAIL threads here, you will find the this solution, with better detail than I can provide. What I can say is that it worked for me.    And there were 3 to 4 other replys on that thread with the same good outcome.   This fix was easy and simple, and produced no interruption in my use of MAIL.   No need to enter re-enter any information of any kind, nothing is lost other than eliminating the "hang up" of the MAIL application.   I am running Maverics 10.9.2
Best of luck to all of you.
Pat

HT1277 my mail will not open after I click on mail.when I try to shut down my laptop ,it wouldn't telling that mail is preventing the computer from shutting down,asking to quit Mail and when I do mail dose not quit

my mail will not open after I click on mail.when I try to shut down my laptop ,it wouldn't telling that mail is preventing the computer from shutting down,asking to quit Mail and when I do mail dose not quit

Mail is open but it is frozen, being this the reason why you cannot open the Mail window. Press Alt, Command and Esc keys or go to  > Force Quit, select Mail and force quit it. Finally, you will be able to turn off or restart the MacBook

Mail keeps preventing me from shutting down

This has happened a few time now that when I try to shut down or restart my computer it doesn't untill I force quit mail even though it doesn't freeze or crash it just keeps saying mail is preventing my computer from shutting down. When I ok that though mail doesn't show it's window when I click it in the dock and thats when I have to force quit it.
I do keep mail as a seperate desktop or "space" but it works fine till I have to shut down. This doesn't happen all the time but its done it now and again, has this happened to anyone else?

Yes, this has been going on for a while. If you open Window > Activity' from the Mail menu bar, you should see that what's happening is that its trying to close the connection with your webmail server.
Sometimes it happens to me, sometimes it doesn't. I suspect its just down to the internet connection.

Mail is preventing me from logging out - Help!

Hello,
Mail is preventing me from logging out. I freqently have to force quit, any ideas on what is wrong and how to fix?

If you're sharing the computer with your husband and you have separate accounts, you should open the Users & Groups preference pane, click the lock icon to unlock the settings, then click Login Options and check the box marked Show fast user switching menu... That will relieve the need for either of you to log out whenever the other wants to use the computer. Just select your user name from the menu next to the Spotlight (magnifying glass) icon on the right side of the menu bar.
As for the Mail problem, try the procedure below first.
Back up all data.
1. Triple-click the line below to select it:
~/Library/Mail/Bundles
Right-click or control-click the highlighted line and select
Services ▹ Open
from the contextual menu. A folder may open, or you may get an error message that the item can't be found. Either result is normal. If the folder does open and has contents, move the contents to the Desktop. Relaunch Mail and test. If there's no change, put the contents of the folder back and quit Mail again.
2. Repeat with this line:
/Library/Mail/Bundles
This time you may be prompted for your login password when you remove the items. Make sure they're removed from the folder and not just copied to the Desktop. If necessary, copy them first and then move the originals to the Trash.

Shutdown from Lion, Mail stop the shutdown.

Hello,
i have the following problem. If i want to shutdown the iMac with menu - shutdown, i have often the problem, that mail stops the shutdown. Only a hard kill from mail will shutdown the mac. What can i do ? Has someone the some problem ?
Thx

iMac, Mac OS X (10.7.3) < your profile
If that is correct, try updating your system software. Click your Apple menu > Software Update.
And try "force quitting" using Activity Monitor (located in HD > Applications > Utilities) instead of Command + Option + E or force quit from the Apple menu.

ACTIVE PROCESS PREVENTS SHUTDOWN OPERATION IN ALERT LOG

Shutdown immediate seems to be hanged for few hours.............
Alert log said that...........
ACTIVE PROCESS PREVENTS SHUTDOWN OPERATION ..........
Extract of alert_log:
SHUTDOWN: Active processes prevent shutdown operation
Thu Aug 12 11:52:59 2010
SHUTDOWN: Active processes prevent shutdown operation
Thu Aug 12 11:58:00 2010
SHUTDOWN: Active processes prevent shutdown operation
Thu Aug 12 12:03:01 2010
SHUTDOWN: Active processes prevent shutdown operation
Thu Aug 12 12:08:03 2010
SHUTDOWN: Active processes prevent shutdown operation
Thu Aug 12 12:13:04 2010
SHUTDOWN: Active processes prevent shutdown operation
Thu Aug 12 12:18:05 2010
SHUTDOWN: Active processes prevent shutdown operation
Thu Aug 12 12:23:07 2010
SHUTDOWN: Active processes prevent shutdown operation
Thu Aug 12 12:28:08 2010
SHUTDOWN: Active processes prevent shutdown operation
Thu Aug 12 12:33:09 2010
SHUTDOWN: Active processes prevent shutdown operation
Thanks in advance.......
Regards,
New2DBA

Connect sqlplus "/as sysdba" then shutdown abort Refer below metalink doc
*Getting Shutdown: Active Processes Prevent Shutdown Operation [ID 780167.1]*

Backupd-helper is preventing shutdown.

When I shut down my MacBook (Mid-2010 13" Unibody), It hangs for a minute or so and then displays the message that Backupd-helper is preventing shutdown. The only way I can shut down is holding down the power button for a couple of seconds before it powers down.
This started happening after I update to 10.8.1

Same problem. I have a late 2011 i7 macbook running 10.8.1. With Safari running, I close the lid to sleep it and that's where I think my problem starts. After I open it, I will press command-option-esc to bring up force quit, and there it is! Backupd-helper
I don't like weird stuff happening on my brand new machine so I took drastic action, as suggested on another thread dealing with shutdown problems. I did a complete reinstall of 10.8.1 from a usb stick. I wiped my drive, twice. Then I reinstalled the os and brought my mac back to life. Basically back to square one when I originally uprgraded from 10.7. (I've read that's the best way to install the OS, from a usb stick doing a drive wipe.)
The same problem occurred after I wiped the drive and reinstalled everything. Same exact thing with sleeping, safari, etc.
My fix is to check the force quit dialogue before shutting down. Hmmm, that's silly seeing as 10.8 is excellent and fast. 10.8.2 ?

Mail holding up shutdown ????

What can I do to prevent the application "Mail" from holding up the shut down process on my MBA????? I have it hooked up with my Yahoo account only. but it still happens 50% of the time __It gets annoying..Any help on this issue would be appreciated!!!

Can you quit Mail before starting the shutdown process?

Problems with mail after every shutdown

I posted a few days ago when mail kept crashing following the security update (probably due to me not closing all applications before installing).
I managed to get mail working again by resetting the junk mail filter.
However, since then I have had problems with mail every time I restart my computer. Every morning, it mail crashes when I open it. I have fixed it a few times by quickly deleting select messages from my inbox before it crashes, but today I can't even do that. Resetting junk mail filter doesn't seem to work now. It's weird because once I get mail open I can close/open with no problem. I only have problems again after I have shutdown the computer.
I verified the start up disk and permissions - there were no problems there - and I also checked for corrupted fonts (I have been reading all the suggestions posted on this site to people having similar problems).
The console log reads:
Jun 1 09:40:34 su-pwbk crashdump[218]: Mail crashed
Jun 1 09:40:34 su-pwbk crashdump[218]: crash report written to: /Users/shancock/Library/Logs/CrashReporter/Mail.crash.log
And the crash report reads:
Date/Time: 2007-06-01 09:53:53.492 -0700
OS Version: 10.4.9 (Build 8P135)
Report Version: 4
Command: Mail
Path: /Applications/Mail.app/Contents/MacOS/Mail
Parent: WindowServer [61]
Version: 2.1 (752)
Build Version: 1
Project Name: MailViewer
Source Version: 7520000
PID: 221
Thread: 3
Exception: EXCBADINSTRUCTION (0x0002)
Code[0]: 0x00000002
Code[1]: 0x9a397784
Thread 0:
0 libSystem.B.dylib 0x9000b448 machmsgtrap + 8
1 libSystem.B.dylib 0x9000b39c mach_msg + 60
2 com.apple.CoreFoundation 0x907deba8 __CFRunLoopRun + 832
3 com.apple.CoreFoundation 0x907de4ac CFRunLoopRunSpecific + 268
4 com.apple.HIToolbox 0x9329bb20 RunCurrentEventLoopInMode + 264
5 com.apple.HIToolbox 0x9329b1b4 ReceiveNextEventCommon + 380
6 com.apple.HIToolbox 0x9329b020 BlockUntilNextEventMatchingListInMode + 96
7 com.apple.AppKit 0x93780ae4 _DPSNextEvent + 384
8 com.apple.AppKit 0x937807a8 -[NSApplication nextEventMatchingMask:untilDate:inMode:dequeue:] + 116
9 com.apple.AppKit 0x9377ccec -[NSApplication run] + 472
10 com.apple.AppKit 0x9386d87c NSApplicationMain + 452
11 com.apple.mail 0x000871d8 0x1000 + 549336
12 com.apple.mail 0x00087080 0x1000 + 548992
Thread 1:
0 libSystem.B.dylib 0x900553a8 semaphoretimedwait_signaltrap + 8
1 libSystem.B.dylib 0x90055204 pthreadcondtimedwait + 676
2 com.apple.Foundation 0x92c625d4 FCONDITION_WAITTIMEOUT + 144
3 com.apple.Foundation 0x92c624f0 -[NSConditionLock lockWhenCondition:beforeDate:] + 128
4 com.apple.MessageFramework 0x9a2b9d90 -[InvocationQueue _drainQueue] + 176
5 com.apple.Foundation 0x92be31a0 forkThreadForFunction + 108
6 libSystem.B.dylib 0x9002be08 pthreadbody + 96
Thread 2:
0 libSystem.B.dylib 0x900553a8 semaphoretimedwait_signaltrap + 8
1 libSystem.B.dylib 0x90055204 pthreadcondtimedwait + 676
2 com.apple.Foundation 0x92c625d4 FCONDITION_WAITTIMEOUT + 144
3 com.apple.Foundation 0x92c624f0 -[NSConditionLock lockWhenCondition:beforeDate:] + 128
4 com.apple.MessageFramework 0x9a2b9d90 -[InvocationQueue _drainQueue] + 176
5 com.apple.Foundation 0x92be31a0 forkThreadForFunction + 108
6 libSystem.B.dylib 0x9002be08 pthreadbody + 96
Thread 3 Crashed:
0 com.apple.MessageFramework 0x9a397784 -[ABAddressBook(MailAdditions) _bestRecordMatchingFormattedAddress:inSubscribedContent:] + 0
1 com.apple.MessageFramework 0x9a2dc7f0 -[ABAddressBook(MailAdditions) bestRecordMatchingFormattedAddress:] + 44
2 com.apple.MessageFramework 0x9a2dc6c8 -[MailAddressManager bestRecordMatchingFormattedAddress:] + 184
3 com.apple.mail 0x00040ee0 0x1000 + 261856
4 com.apple.mail 0x00037014 0x1000 + 221204
5 libobjc.A.dylib 0x90a461f4 objc_msgSendv + 180
6 com.apple.Foundation 0x92bdec94 -[NSInvocation invoke] + 944
7 com.apple.MessageFramework 0x9a2b0800 -[MonitoredInvocation invoke] + 144
8 com.apple.MessageFramework 0x9a2b9e80 -[InvocationQueue _drainQueue] + 416
9 com.apple.Foundation 0x92be31a0 forkThreadForFunction + 108
10 libSystem.B.dylib 0x9002be08 pthreadbody + 96
Thread 4:
0 libSystem.B.dylib 0x900553a8 semaphoretimedwait_signaltrap + 8
1 libSystem.B.dylib 0x90071be8 pthreadcond_timedwait_relativenp + 556
2 ...apple.AddressBook.framework 0x94e35cac -[ABRemoteImageLoader workLoop] + 132
3 com.apple.Foundation 0x92be31a0 forkThreadForFunction + 108
4 libSystem.B.dylib 0x9002be08 pthreadbody + 96
Thread 3 crashed with PPC Thread State 64:
srr0: 0x000000009a397784 srr1: 0x000000000008f030 vrsave: 0x0000000000000000
cr: 0x24000248 xer: 0x0000000020000004 lr: 0x000000009a2dc7f0 ctr: 0x000000009a397784
r0: 0x000000009a2dc7f0 r1: 0x00000000f0202ef0 r2: 0x00000000a0001fac r3: 0x0000000004a00490
r4: 0x000000009a3ec540 r5: 0x0000000004a5cac0 r6: 0x0000000000000000 r7: 0x000000006e636f63
r8: 0x0000000000000000 r9: 0x0000000000000000 r10: 0x0000000090a3f628 r11: 0x0000000000000001
r12: 0x000000009a397784 r13: 0x0000000000000000 r14: 0x0000000000000000 r15: 0x0000000000000000
r16: 0x0000000000000000 r17: 0x0000000000000000 r18: 0x00000000001b0000 r19: 0x0000000004a229a0
r20: 0x0000000000000002 r21: 0x0000000000000000 r22: 0x0000000004a2f110 r23: 0x00000000001b0000
r24: 0x0000000000000000 r25: 0x0000000000000000 r26: 0x0000000000000000 r27: 0x0000000004a5cac0
r28: 0x0000000004a5cac0 r29: 0x0000000004a00490 r30: 0x00000000aa2b5048 r31: 0x000000009a2dc610
Model: PowerBook5,2, BootROM 4.7.1f1, 1 processors, PowerPC G4 (1.1), 1 GHz, 768 MB
Graphics: ATI Mobility Radeon 9600, ATY,RV350M10, AGP, 64 MB
Memory Module: SODIMM0/J25LOWER, 256 MB, DDR SDRAM, PC2700U-25330
Memory Module: SODIMM1/J25UPPER, 512 MB, DDR SDRAM, PC2700U-25330
Modem: LastDash, Euro, V.92, 4.0, APPLE VERSION 2.6.6
Bluetooth: Version 1.7.14f14, 2 service, 0 devices, 1 incoming serial ports
Network Service: Built-in Ethernet, Ethernet, en0
PCI Card: TXN,PCIXXXX-00, cardbus, PC Card
Parallel ATA Device: MATSHITACD-RW CW-8123
Parallel ATA Device: TOSHIBA MK6026GAX, 55.89 GB
USB Device: Bluetooth HCI, Up to 12 Mb/sec, 500 mA
USB Device: Microsoft 3-Button Mouse with IntelliEye(TM), Microsoft, Up to 1.5 Mb/sec, 500 mA
Would greatly appreciate a more permanant fix to this problem!
Thanks, Su
PowerBook5,2 Mac OS X (10.4.9)

As I said in the other thread, in your case Mail was crashing because of a problem with Address Book, so it should be no surprise that resetting the junk filter didn’t really fix the problem. It would have been more appropriate to post back there instead of starting a new thread...
If Address Book itself works fine, the problem is probably the Previous Recipients list that Mail stores in the Address Book database. If you can do this without Mail crashing, in Mail open Window > Previous Recipients and remove all the entries from there.
If that doesn’t work, you’ll have to re-create the entire Address Book database:
1. If you have a .Mac account and .Mac synchronization of Address Book data is enabled either in Address Book > Preferences > General or in System Preferences > .Mac, disable it before proceeding.
2. You may also need to reset the entire sync history (iSync > Preferences > Reset Sync History) to avoid synchronization issues if you use .Mac or iSync to synchronize your Address Book with other computers or devices.
3. Open Address Book.
4. As an extra safety measure, do File > Back up Address Book and save the backup wherever you wish.
5. Go to Address Book > Preferences > vCard, set the vCard Format to 3.0 and check Export notes in vCards. Close the Preferences window when done.
6. Select the All group in the main Address Book window and do File > Export Group vCard (the command should read “Export Group vCard”, not just “Export vCard”).
7. Quit Address Book, Mail, and any other applications that might use Address Book for something. Or just quit all applications to be on the safe side.
8. In the Finder, go to ~/Library/Application Support/ and move the entire AddressBook folder out of there, e.g. to the Desktop (to be deleted after fixing the problem and making sure you don’t miss anything).
9. Check whether the problem is fixed now. If it is, you may be able to restore your contacts without the problem happening again by opening Address Book and doing File > Import > vCards to import the previously exported cards back into Address Book.
10. If the problem has been fixed and .Mac synchronization of Address Book data was enabled at the beginning, enable it again, go to System Preferences > .Mac > Advanced, click Reset Sync Data, and choose the appropriate options to reset the Address Book data stored on the .Mac server with the data locally stored on the computer, i.e. sync data must flow from the computer to the .Mac server.
Note: For those not familiarized with the ~/ notation, it refers to the user’s home folder. That is, ~/Library is the Library folder within the user’s home folder, i.e. /Users/username/Library.

I am trying to shut down my MacBook Pro but mail is preventing it from shutting down and it will not allow me to quit mail

Does anyone know of a way to force quit Mail. It is preventing me from restarting or shutting down my MacBook Pro running Maverick iOS 10.9.
Thanks.

itsKeef,
You're having the same problem? Do you ALWAYS have to Force Quit Mail or will it sometimes just Quite when you select Quit? Which model MacBook Pro do you have (e.g., "15-inch Late 2011"), which version of OS X are you running and which version of Mail do you have?
Clinton

How many iPhones stolen per day? Prevent shutdown.

Dear friends.
Since I had my iPhone stolen I'm searching for a way (without jailbreaking it) to prevent that my new iPhone gets lost.
"Find my iPhone" is only useful when the thief is dum.b as hel.l and when nobody has found it (yet).
Does Apple see comercial advantages on this situation? How many iPhones are stolen a day?!
I mean, why in the world wouldn't you develop security apps and security features so we don't lose our beloved phones?
This is serious, and it seems Apple doesn't care. I don't want to jailbreak my iPhone, but you are not helping, Apple!
I would like to see a Restriction setting that would block the shutdown of my iPhone when it's locked. It would require a passcode to shut it down. It's so simple!
This way thieves wouldn't be able to shut it down!
The same works for Airplane mode and Wi-Fi. A passcode should be required to turn it off (if I enable this feature).
Advanced considerations: DFU mode and recovery mode should "expire", the iPhone should reset itself after some time (e.g. 10 minutes) so the iPhone would come back to life and allow tracking.
SECURITY!
So far nothing was done in this area. I believe Apple should pay more attention to this.
Best regards,
Will

Will Segatto wrote:
Dear friends.
Since I had my iPhone stolen I'm searching for a way (without jailbreaking it) to prevent that my new iPhone gets lost.
"Find my iPhone" is only useful when the thief is dum.b as hel.l and when nobody has found it (yet).
Does Apple see comercial advantages on this situation? How many iPhones are stolen a day?!
I mean, why in the world wouldn't you develop security apps and security features so we don't lose our beloved phones?
This is serious, and it seems Apple doesn't care. I don't want to jailbreak my iPhone, but you are not helping, Apple!
I would like to see a Restriction setting that would block the shutdown of my iPhone when it's locked. It would require a passcode to shut it down. It's so simple!
This way thieves wouldn't be able to shut it down!
The same works for Airplane mode and Wi-Fi. A passcode should be required to turn it off (if I enable this feature).
Advanced considerations: DFU mode and recovery mode should "expire", the iPhone should reset itself after some time (e.g. 10 minutes) so the iPhone would come back to life and allow tracking.
SECURITY!
So far nothing was done in this area. I believe Apple should pay more attention to this.
Best regards,
Will
Sorry requiring a passcode to shut down the phone isn't a good idea.
do you know how many users forget their 4 digit passcode to unlock their phones - use the search function at the top right and you'll see all the threads.

TS2537 Mail application cancels shutdown and refuses to quit

I am running OS 10.9 and I still have problems with the mail application. It often does not want to quit and cancels shutdown. Are there any suggestions out there?

Back up all data.
1. Triple-click anywhere in the line below on this page to select it:
~/Library/Mail/Bundles
Right-click or control-click the highlighted line and select
Services ▹ Open
from the contextual menu.* A folder may open, or you may get an error message that the item can't be found. Either result is normal. If the folder does open and has contents, move the contents to the Desktop. Relaunch Mail and test. If there's no change, put the contents of the folder back and quit Mail again.
2. Repeat with this line:
/Library/Mail/Bundles
This time you may be prompted for your login password when you remove the items. Make sure they're removed from the folder and not just copied to the Desktop. If necessary, copy them first and then move the originals to the Trash.
*If you don't see the contextual menu item, copy the selected text to the Clipboard by pressing the key combination command-C. In the Finder, select
Go ▹ Go to Folder...
from the menu bar, paste into the box that opens (command-V). You won't see what you pasted because a line break is included. Press return.

Mail application cancels shutdown-white screen on computer startup

When clicking a dock icon, it continues to bounce and will not open. Then when I try to shutdown computer, I get the message that mail is stopping the computer from shutdown and needs to be force quit. When I do this, the screen goes white for 15 minutes before it will shutdown. When I restart it, I get the white screen forever and must use the power button to turn it off and unplug it for 20 seconds and all is fine. Doesn't happen everyday. Not sure if it is related, but at times a screen keeps moving an inch or so from left to right again and again. Must keep clicking the mouse to get it to stop. imac, 2 years old, Mountain Lion

Could be many things, we should start with this...
"Try Disk Utility
1. Insert the Mac OS X Install disc, then restart the computer while holding the C key.
2. When your computer finishes starting up from the disc, choose Disk Utility from the Installer menu at top of the screen. (In Mac OS X 10.4 or later, you must select your language first.)
*Important: Do not click Continue in the first screen of the Installer. If you do, you must restart from the disc again to access Disk Utility.*
3. Click the First Aid tab.
4. Select your Mac OS X volume.
5. Click Repair Disk, (not Repair Permissions). Disk Utility checks and repairs the disk."
http://docs.info.apple.com/article.html?artnum=106214
Then try a Safe Boot, (holding Shift key down at bootup), run Disk Utility in Applications>Utilities, then highlight your drive, click on Repair Permissions, reboot when it completes.
(Safe boot may stay on the gray radian for a long time, let it go, it's trying to repair the Hard Drive.)
If perchance you can't find your install Disc, at least try it from the Safe Boot part onward.
One way to test is to Safe Boot from the HD, (holding Shift key down at bootup), run Disk Utility in Applications>Utilities, then highlight your drive, click on Repair Permissions, Test for problem in Safe Mode...
PS. Safe boot may stay on the gray radian for a long time, let it go, it's trying to repair the Hard Drive
Reboot, test again.
If it only does it in Regular Boot, then it could be some hardware problem like Video card, (Quartz is turned off in Safe Mode), or Airport, or some USB or Firewire device, or 3rd party add-on, Check System Preferences>Accounts>Login Items window to see if it or something relevant is listed.
Check the System Preferences>Other Row, for 3rd party Pref Panes.
Also look in these if they exist, some are invisible...
/private/var/run/StartupItems
/Library/StartupItems
/System/Library/StartupItems
/System/Library/LaunchDaemons
/Library/LaunchDaemons
Have you blown the dust out lately?
Get Temperature Monitor to see if it's heat related...
http://www.macupdate.com/info.php/id/12381/temperature-monitor
iStat Menus...
http://bjango.com/mac/istatmenus/
And/or iStat Pro...
http://www.islayer.com/apps/istatpro/

[Solved] /bin/mount hanging, preventing shutdown

Hi,
Upgraded my system today - got a problem with symbolic links to /var/run and /var/somethingelse which I solved using the solution in another post. But now mount shows a continuous 100% system load, and I am unable to kill (even -9) it. It also prevents me to shutdown the machine.
I just have two HDs in the computer, no USB disks or sticks. Booting seems OK, except for the message that /bin/mount is timing out (or something) and will be killed (which I guess it isn't).
Any ideas?
-peter
Last edited by durian (2012-06-15 06:18:15)

I am not sure if the mount showing 100% and not being able to shutdown are related or not.
but here's another thread -- not being able to shutdown. :: https://bbs.archlinux.org/viewtopic.php?id=143113
As for your mount issue -- are you using any nfs shares? if so, do you have the netfs daemon in your DAEMONS array?

Mail is preventing shutdown

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