Imac hangs during 10.9.1 update restart

My late 2012 iMac has hanged during the installation of 10.9.1 .
It has a small window saying "restarting" on the usual dark grey background, with the blue and white barber pole progress bar not moving.
Should I just force restart it with the on-off switch at the back?
I hate to do this during an installation.
Need an answer in the next 5 minutes!

Startup - Gray, Blue or White screen at boot, w/spinner/progress bar
Startup - Gray Screen
Startup Issues - Resolve
Startup Issues - Resolve (2)

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My imac hangs during starup after installing update

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Imac hanging during Lion upgrade

I have a 2010 27" imac. As of last night, it had Snow Leopard on it (as it was shipped with).
I tried upgrading last night with the Lion purchased from the App store.
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Hangs during boot after Security Update 2007-006 Installed

Hello out there,
As I said in the Subject, I installed Security Update 2007-006 on my MacBook Pro running OSX 10.4.9 and now it wont boot. just from playing around with it in single user mode I think it hangs sometime when configd is starting, but I don't know exactly when or why it's not booting correctly.
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My IPhone 4S is hanged during updating IOS 6 to IOS 8, PHONE was connected WIFI and under charging with computor. Kindly help, it is not switching off, not restarting

My IPhone 4S is hanged during updating IOS 6 to IOS 8, PHONE was connected WIFI and under charging with computor. Kindly help, it is not switching off, not restarting

Hi HARISH INDIA,
That is not good but lets see if we can get it back to life. If you can, see if you can put your iPhone into recovery mode and then use iTunes to restore it. If you can get it to restore, it will erase everything off your iPhone. If you have a back up in iTunes or iCloud then you can put that on after the restore is complete. Take a look at the article below for more information.
If you can't update or restore your iPhone, iPad, or iPod touch
http://support.apple.com/en-us/HT201263
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IPod/iTunes 6 hangs during updating

I've just spent most of a weekend trying to figure out why a 40GB click-wheel iPod will not sync with iTunes. I'm at a bit of a loss here. I know there are several (long) posts on update issues - perhaps this is just another case. Here's the low-down:
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* iPod 40GB 'click-wheel' model, 3.1 firmware (2005-09-23 update), firewire interconnect direct to iMac (no dock)
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40GB click-wheel Mac OS X (10.3.9) iTunes 6.0.1

Hey, you the man. I just want to say thank you. I hooked up a just repaired touch wheel iPod to my son's g4 iMAC, and it kept hanging on random songs and even the one's it transferred, it did slowly. I tried everything everyone else has, I did restores and erases forever. And it kept hanging up, so I had to frequently disconnect the iPod to get control back of the computer. This morning I was on the phone with Apple tech for over an hour. His conclusion was that because some of the songs weren't purchased from the Apple Store, I needed to manually transfer each song one at a time. I had to go, so didn't get to try it until later today and same problem. Again I called Apple tech support. Guy was very nice, on phone with him for 90 minutes, he didn't think the first advice made much sense. He gave up in frustration when we couldn't get into the disk utility because iPod kept going to automatic update. He told me to call back tomorrow and speak to a specialist. He said he's never had this much difficulty with an iPod. After the call, I managed to get into the disk utillity and do the erase and repair but didn't do anything. When I finally deactivated the auto update, manually transferring the songs one at a time didn't solve the problem. I read your post, started up after disconnecting the iSight firewire cable, took a chance of activating auto update of songs again, and voila, it transferred all the songs (all 176 of them) in about 10 seconds, like a warm knife through butter. And as they said on Saturday Night Live, it felt "like butter." I will call Apple tomorrow and tell them they really need to do something about this. In the meantime, I'll keep iSight disconnected whenever songs are being transferred into the iPod.
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Steve
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IPod recognized, but hangs during update

So my iPod will show up in Finder and in iTunes, and automatic updating will begin. However, at random times during the update, sometimes 4 songs in, sometimes 65, the whole process will just hang. iTunes status screen gets stuck on flashing between "Updating iPod..." and Song 65 of 2054 and just flash between those two over and over.
Meanwhile, the iPod screen itself is also stuck and no longer flashing "Do Not Disconnect" -- it's a steady screen with none of the normal flashing.
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3. Resetting into Disk Mode.
4. Manually updating songs.
5. Automatcially updating songs.
Nothing works. I have been troubleshooting this for about 8 hours now with no luck. No matter what I do differently, it always hangs around song 1800. I even tried uninstalling/reinstalling iTunes -- and I have tried this with several different user accounts and on different partitions I have set up.
When it "hangs," the iPod itself just makes a the "clicking" sound of a HD. I'm wondering if the HD is just bad -- but it came up with no errors when checking with Disk Utility.
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Then move these files to the Desktop for now...
/Users/YourUserName/Library/Preferences/com.apple.finder.plist
/Users/YourUserName/Library/Preferences/com.apple.systempreferences.plist
/Users/YourUserName/Library/Preferences/com.apple.desktop.plist
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I updated to the latest IOS (5.1.1) today and since then Find my friends hang at "signing in" hangs during signing in. I can't back up & start over, every time I open the app, it's hanging there. Can I clear this without losing everything, including the friends that have already accepted me?

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http://support.apple.com/kb/ht1430
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PLEASE HELP ! While updating My Xperia Z1 , my pc hanged during the process and .

While updating My Xperia Z1 , my pc hanged during the process ( so , installation of update was interrupted , guess it's same as getting your USB connection disconnected )and now the phone won't turn on .
Its shows the Sony Xperia logo , then shows a black lit screen , and that's it , nothing else happens . I can only turn it off by pressing and holding the power+up volume button , but it turns on automatically if plugged in for charging or in PC only till it gets that black screen .
I tried to flash it with a flashtool (Emma) , but it says phone locked , but since it can't even be turned on , i can't unlock it .
It's a store bought phone and is not of any contracts with any mobile service provider or anything like that ....
Funny you know ... my PC had to crash at the moment i was updating it .... my luck ....
Anyways , now please can anyone tell me what i can do ? I'm sure there is a way i can fix it using my pc and other downloadable software , so please can some one help me how i can fix this problem ? I don't care if i lose all the data on it , i just want my phone back ....
Solved!
Go to Solution.

Problem Solved ,Thank you very much !!
For those who might face the problem and stumble upon this thread after googling
Read above mentioned comments
Now here's what I did :
Turned the phone off by power+volume key method , then plugged it in to the pc via USB and opened sony pc companion , entered Support zone , then entered the Update device option , then I Unplugged my device , only after doing this a window pops up with Repair my phone/tablet in blue text , then i clicked on that and followed the simple instructions ..
It's basically what Thommo said , only i was so freaked out at that time that i failed to follow his instructions to the letter
So now my phone is back to normal , and , it got the latest lolipop update !
Problem solved i guess but Thommo , i need to disturb you again with just one more question , since at the very beginning , the update process was interrupted , and now i got lolipop after the repair ,without needing to update again , so has the lollipop been installed properly on my phone or do i need to use any other flashtool to re-install lollipop ?
again , Thank you ...

X200 hangs during restart or shut down when connected to ultrabase

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This hang at restart/shut down only occurs when I'm connected to the ultrabase.

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Sessions/connections gets hang during update and select operations.

A table with 3 million records, which has customer details data.
Everyday application is executing select and update queries on that table.
Sessions/connections gets hang during update and select operations.
After checking ADDM report, following are the findings:
Please suggest the solutions
Findings and Recommendations
Finding 1: Row Lock Waits
Impact is 145.22 active sessions, 99.77% of total activity.
SQL statements were found waiting for row lock waits.
Recommendation 1: Application Analysis
Estimated benefit is 145.22 active sessions, 99.77% of total activity.
Action
Significant row contention was detected in the TABLE
"AVAYA.AIRTEL_CUSTOMER_MASTER" with object ID 82155. Trace the cause of
row contention in the application logic using the given blocked SQL.
Related Object
Database object with ID 82155.
Rationale
The SQL statement with SQL_ID "974vg65j29pmv" was blocked on row locks.
Related Object
SQL statement with SQL_ID 974vg65j29pmv.
UPDATE AVAYA.AIRTEL_CUSTOMER_MASTER SET PREFERRED_LANGUAGE = :1
WHERE ( AIRTEL_CUSTOMER_MASTER.MSISDN = :2 )
Rationale
The session with ID 50 and serial number 34525 in instance number 1 was
the blocking session responsible for 100% of this recommendation's
benefit.
Symptoms That Led to the Finding:
Wait class "Application" was consuming significant database time.
Impact is 145.22 active sessions, 99.77% of total activity.
Finding 2: Top SQL Statements
Impact is 46.39 active sessions, 31.87% of total activity.
SQL statements consuming significant database time were found. These
statements offer a good opportunity for performance improvement.
Recommendation 1: SQL Tuning
Estimated benefit is 46.39 active sessions, 31.87% of total activity.
Action
Investigate the UPDATE statement with SQL_ID "974vg65j29pmv" for
possible performance improvements. You can supplement the information
given here with an ASH report for this SQL_ID.
Related Object
SQL statement with SQL_ID 974vg65j29pmv.
UPDATE AVAYA.AIRTEL_CUSTOMER_MASTER SET PREFERRED_LANGUAGE = :1
WHERE ( AIRTEL_CUSTOMER_MASTER.MSISDN = :2 )
Rationale
The SQL spent only 0% of its database time on CPU, I/O and Cluster
waits. Therefore, the SQL Tuning Advisor is not applicable in this case.
Look at performance data for the SQL to find potential improvements.
Rationale
Database time for this SQL was divided as follows: 100% for SQL
execution, 0% for parsing, 0% for PL/SQL execution and 0% for Java
execution.
Rationale
SQL statement with SQL_ID "974vg65j29pmv" was executed 212 times and had
an average elapsed time of 2494 seconds.
Rationale
Waiting for event "enq: TX - row lock contention" in wait class
"Application" accounted for 100% of the database time spent in
processing the SQL statement with SQL_ID "974vg65j29pmv".

**addm report **
          ADDM Report for Task 'TASK_7526'
Analysis Period
AWR snapshot range from 5003 to 5004.
Time period starts at 08-JUL-13 11.00.27 AM
Time period ends at 08-JUL-13 12.00.45 PM
Analysis Target
Database 'AVAYADB' with DB ID 2878789264.
Database version 11.2.0.1.0.
ADDM performed an analysis of instance avayadb, numbered 1 and hosted at
NG-LA04AVAYA01.
Activity During the Analysis Period
Total database time was 563062 seconds.
The average number of active sessions was 155.63.
Summary of Findings
   Description         Active Sessions      Recommendations
                       Percent of Activity
1 Row Lock Waits      155.44 | 99.88       1
2 Top SQL Statements 26.67 | 17.14        1
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
          Findings and Recommendations
Finding 1: Row Lock Waits
Impact is 155.4 active sessions, 99.88% of total activity.
SQL statements were found waiting for row lock waits.
   Recommendation 1: Application Analysis
   Estimated benefit is 155.44 active sessions, 99.88% of total activity.
   Action
      Significant row contention was detected in the TABLE
      "AVAYA.AIRTEL_CUSTOMER_MASTER" with object ID 82155. Trace the cause of
      row contention in the application logic using the given blocked SQL.
      Related Object
         Database object with ID 82155.
   Rationale
      The SQL statement with SQL_ID "974vg65j29pmv" was blocked on row locks.
      Related Object
         SQL statement with SQL_ID 974vg65j29pmv.
         UPDATE AVAYA.AIRTEL_CUSTOMER_MASTER SET PREFERRED_LANGUAGE = :1
         WHERE ( AIRTEL_CUSTOMER_MASTER.MSISDN = :2 )
   Rationale
      The session with ID 167 and serial number 6084 in instance number 1 was
      the blocking session responsible for 100% of this recommendation's
      benefit.
   Symptoms That Led to the Finding:
      Wait class "Application" was consuming significant database time.
      Impact is 155.45 active sessions, 99.88% of total activity.
Finding 2: Top SQL Statements
Impact is 26.66 active sessions, 17.14% of total activity.
SQL statements consuming significant database time were found. These
statements offer a good opportunity for performance improvement.
   Recommendation 1: SQL Tuning
   Estimated benefit is 26.67 active sessions, 17.14% of total activity.
   Action
      Investigate the UPDATE statement with SQL_ID "974vg65j29pmv" for
      possible performance improvements. You can supplement the information
      given here with an ASH report for this SQL_ID.
      Related Object
         SQL statement with SQL_ID 974vg65j29pmv.
         UPDATE AVAYA.AIRTEL_CUSTOMER_MASTER SET PREFERRED_LANGUAGE = :1
         WHERE ( AIRTEL_CUSTOMER_MASTER.MSISDN = :2 )
   Rationale
      The SQL spent only 0% of its database time on CPU, I/O and Cluster
      waits. Therefore, the SQL Tuning Advisor is not applicable in this case.
      Look at performance data for the SQL to find potential improvements.
   Rationale
      Database time for this SQL was divided as follows: 100% for SQL
      execution, 0% for parsing, 0% for PL/SQL execution and 0% for Java
      execution.
   Rationale
      SQL statement with SQL_ID "974vg65j29pmv" was executed 707 times and had
      an average elapsed time of 794 seconds.
   Rationale
      Waiting for event "enq: TX - row lock contention" in wait class
      "Application" accounted for 100% of the database time spent in
      processing the SQL statement with SQL_ID "974vg65j29pmv".
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
          Additional Information
Miscellaneous Information
Wait class "Commit" was not consuming significant database time.
Wait class "Concurrency" was not consuming significant database time.
Wait class "Configuration" was not consuming significant database time.
Wait class "Network" was not consuming significant database time.
Wait class "User I/O" was not consuming significant database time.
Session connect and disconnect calls were not consuming significant database
time.
Hard parsing of SQL statements was not consuming significant database time.

Security update 2008-005 hangs during install

after the download, during install, the security update installer seems to hang after what seems like a 10% progress (still in configuring install phase).
i've tried waiting for upto 10 minutes with no luck. could someone help?

Manually download the update from Apple and update from there.

HT4796 If my PC shuts down during the migration and I restart the assistant, do I have to do anything with my iMac?

If my PC shuts down during the migration and I restart the assistant, do I have to do anything with my iMac?

Check the user accounts via System Prefereces > Users & Groups.
The migration creates a new user account each time it runs, so depending on what it was doing/had done, it might leave a partial user account.

Imac hangs during 10.9.1 update restart

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