Time Machine window appears every hour

Every hour a pop-up window appears on my iMac as follows:
<Time Machine couldn’t complete the backup to “Time Machine - 2 TB”.
<The backup disk ran out of space unexpectedly. Time Machine will try to make <more space available by removing expired backups during the next scheduled <backup.
<Open Time Machine preferences to select a larger backup disk or make the backup <smaller by excluding files.
However, Time Machine does not remove expired backups.  It repeats this message every hour.
This did not happen before I upgraded to Mountain Lion from Safari.
How do I fix this?

Please read this whole message before doing anything. This procedure is a diagnostic test. It’s unlikely to solve your problem. Don’t be disappointed when you find that nothing has changed after you complete it. The purpose of this exercise is to determine whether the problem is caused by third-party system modifications that load automatically at startup or login. Disconnect all wired peripherals except those needed for the test, and remove all aftermarket expansion cards. Boot in safe mode* and log in to the account with the problem. The instructions provided by Apple are as follows: 
Shut down your computer, wait 30 seconds, and then hold down the shift key while pressing the power button.
When you see the gray Apple logo, release the shift key.
If you are prompted to log in, type your password, and then hold down the shift key again as you click  Log in.
 *Note: If FileVault is enabled under OS X 10.7 or later, or if a firmware password is set, or if the boot volume is a software RAID, you can’t boot in safe mode. Safe mode is much slower to boot and run than normal, and some things won’t work at all, including wireless networking on certain Macs. The login screen appears even if you usually log in automatically. You must know your login password in order to log in. If you’ve forgotten the password, you will need to reset it before you begin. Test while in safe mode. Same problem(s)? After testing, reboot as usual (i.e., not in safe mode) and verify that you still have the problem. Post the results of the test.

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  • Time machine dont start every hour on Lion

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    Hello,
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  • HT3275 How can I program the Time Machine to backup every 4-6 hours instead of hourly?

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    Sawtooth Prop wrote:
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  • I would like to use time Machine to back up to a network SMB drive. I can see the drive on my desktop but it will not show in the time machine window to be able to select it

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    http://pondini.org/TM/13.html

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  • How can I exit out of  the Time Machine window when it has frozen?

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  • HT201250 How do you set what the Time Machine window shows?

    I just bought a Time Capsule and started using Time Machine.  The window that appears when selecting "Enter Time Machine" shows the desktop, but not the Hard Drive.  I want to see the contents of the HD, not the desktop.

    erickfrombloomfield wrote:
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    TimeMachine copies your entire boot drive, but it's not a clone. Clones are near 100% exact copies of your boot partition.
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    Aclone is a exact image of your boot partition, just like you picked up all your software and placed it on another drive.
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  • Time Machine Backup  fails every time "Backup could not be completed"

    I want to do a new Time Machine Backup on my iMac2007 Snow Leopard 10.6.8 fails every time with message  "Backup could not be completed."
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    One thing which may help.
    I had similar issues....a few times.
    Have done all the renaming (<8 characters) etc etc as detailed in these forums.
    The first time, I erased TC HD and started again. This fixed things for a few days, and then the same issue came back again.
    The next time, I simply copied the sparsebundle file (so I had two sparsebundles, one called xxxxxxxx.sparsebundle, and the other called xxxxxxxx copy.sparsebundle (luckily I had room on the HD to do this)). Then I deleted the original sparsebundle, and before I could rename the copy back to the original filename, the image mounted and started backing up....to the sparsebundle with " copy" still in its name.......so I left it be.
    A week or so went by, and then I got the same "unable to mount" error message.
    Rather than going thru the whole process again, I simply took the " copy" out of the sparesbundle filename, and all was well again.
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    While not a fix, it seems to be a workaround for me until Apple works out what the issue is, and fixes it.
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  • Why are some of my Time Machine windows greyed out?

    When I enter Time Machine, some of the windows (say Finder windows) are white and I can access them for a restore. Others are greyed out (actually a purple color) and I cannot access them, even though they are relevant to my User files i.e. not someone else's. There are two standard users on this laptop, plus a User with Administrator rights plus a guest User.
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    (my present kit is 15" Macbook Pro, OS X Lion, 500Gb Time capsule, and wireless network.)

    The unavailable snapshots don't include the folder from which you're entering Time Machine. Start from the top-level view in the Finder that shows all volumes connected to the computer. Enter Time Machine and then descend to the folder you want to restore from.

  • Don't try to do screen capture in Time Machine window...

    Was going to show off Time Machine to my brother by taking screen capture.
    Brought up Time Machine, pressed standard "Command-Shift-Number 4" key combo. Ouch... Time Machine screen became 'frozen in time'. Many key presses and 'strong words' later it woke up and came back.

    Correct. I was in habit of using Command-Shift-4 + mouse drag for a region, or same key combo and then spacebar on a window for just a window for doing screen captures.
    Command-Shift-3 worked fine with no lockup for whole window. People will still need to be careful not to attempt Command-Shift-4 and then spacebar or select area with the mouse as it appears to lock up the Mac and no key combos work.

  • Time Machine fails about every six months

    10.8.5
    MacBook Pro 13"
    Wired ethernet to Time Capsule 3rd generation
    Time Machine has a distressing pattern: it seems to work like a champ for about six months. Then, it fails to back-up, stuck at "Backing Up: nnKB of nnMB" where nnKB is some small but variable number. On the MBP I've repaired disk permissions and used Disk Warrior. No change. On the backup image on the Time Capsule, I used Disk Warrior. No change. I created a new temporary image, used SuperDuper! to copy the contents of the backup image to the temporary image, erased the backup image and copied the temporary image contents back to the backup image. No change.
    Previously I've just deleted the backup image and started from scratch, but I'm tired of losing my accumulated backups every six months!
    Any advice?

    Start to investigate HD clones.   Time machine is a backup, not an archive or secure storage.
    Some advantages of a cloned HD:
    If you do an option key startup at boot you can directly boot to your cloned drive externally and operate from same like normal.
    Sandboxing: With the help of the Cloned Drive, you can perform sandboxing, or the testing of new software, their updates and applications before they are installed on your Mac system. Moreover, if there are issues with the system, you can troubleshoot them by booting off the Clone. Many people test new APPS or experiment with a secondary clone and never worry about a failure or serious issue since the internal HD is untouched and the secondary clone can be wiped afterwards if any major issue occurs in testing. This is an invaluable tool in many instances.
    If you sell you computer for purchase of a new one, you can take the clone you have on hand and install same or clone it to the new internal drive of your new Mac.
    As it turns out one of the huge positive benefits of a clone is that people were seeing faster HD speeds; with APPS booting up from the clone than they had seen with the internal HD. The cloning applications in cloning the drive defragments the data to the clone and remove the “holes” in the cloning process.
    With a small portable HD clone you can take your ‘computer’ anywhere to most any other current Mac and boot from your HD clone and have your entire system and its data immediately there for use. In case one is across the world and their macbook gets stolen, or damaged, with another Mac you can be up and 100% in the time it takes to boot to the new or borrowed Mac!
    You can clone from your external clone to the internal HD/SSD in case of corruption.
    The best thing that can be said, ideally, when your HD crashes with all its data is “so what, I’ve got a clone right here” and you can return to normal operation within seconds (by booting from the clone) or minutes (by swapping drives).
    In separating out your system hub (OS) and your data hub, and storing them separately, is if you make only periodic clones (every month or so), and have a HD crash, the worst case outcome is that what is lost on your clone are some bookmarks and preferences since your data hub containing your vital files is constantly archived separately as it should be.
    Time Machine is a system backup, not a data archive
    Important data you “don’t dare lose” should not be considered ultimately safe, or ideally stored (at the very least not as sole copy of same) on your Time Machine backup. Hourly and daily fluctuations of your system OS, applications, and software updates is the perfect focus for the simple user to conduct ‘click it and forget it’ backups of the entire system and files on the Macbook HD.
    Bootable clones are the choice of professionals and others in that Time Machine cannot be booted from and requires a working HD to retrieve data from (meaning another computer). Your vital data needs to be and should be ‘frozen’ on some form of media storage, either in a clone, as an archived HD containing important files, or on DVD blank archival media.
    A file that is backed up to Time Machine is unsafe in that if that file is deleted off the computer by accident or lost otherwise, that file will likewise vanish from Time Machine as it reflects changes on the internal computer HD/SSD.

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