After downloading Mountain Lion, and after installing am told a fault has occured and i have to go back snow to Leopard

After loading Mountain Lion from the apps store, all went well until after the install was completed, error note came up and said I would have to go back to snow leopard as a dats retrival error had occured

Welcome to the Apple Support Communities
Press Command and R keys while your Mac is starting and reinstall Mountain Lion. If you have a backup, you can erase the disk in Disk Utility, reinstall Mountain Lion and restore your backup

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After downloading mountain lion, my exchange email is no longer recognized. I have deleted it and added it again.

After downloading mountain lion, my exchange email is no longer recognized. I can not receive or send mail from the exchange address on my iMac, but it does work on my iPad and iPhone.

Tried resetting SMC ?
http://support.apple.com/kb/HT3964
Choose the method for:
"Resetting SMC on portables with a battery you should not remove on your own".

After downloading Mountain Lion, I can no longer print! My MAC see's the printer, even nozzle check works, but cant print anything!!

after downloading Mountain Lion, I can no longer print! My MAC see's the printer, even nozzle check works, but cant print anything!!

sorry!!! It is a Epson Stylus Photo PX810FW.
Have made sure all ML / Apple updates are done. Checked the Epson site and there are no updates for 10.8

After downloading mountain lion the internet does not start automatically after start or restart but if I use diagnostics it starts is there a simpler solution

After downloading mountain lion the internet does not start automatically after start or restart but if I use diagnostics it starts is there a simpler solution?

Extensions can sometimes be the cause of problems. If the problem does not occur in Safe Mode, then you can disable your extensions one-by-one until you find out which one is causing the problem. See [[Troubleshooting extensions and themes]]

Mail quits on startup, not on a guest account. This only happened after downloading Mountain Lion. What do I do to fix this?

A couple of days after downloading Mountain Lion (10.8.3) Mail quits on startup. This doesn't happen on a quest account. I understand I'm not the only one with this problem (understatement). Has anybody found a solution yet??

Launch the Console 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 Console in the icon grid.
Step 1
Make sure the title of the Console window is All Messages. If it isn't, select All Messages from the SYSTEM LOG QUERIES menu on the left. If you don't see that menu, select
View ▹ Show Log List
from the menu bar.
Enter the name of the crashed application or process in the Filter text field. Select the messages from the time of the last crash, if any. Copy them to the Clipboard (command-C). Paste into a reply to this message (command-V).
When posting a log extract, be selective. In most cases, a few dozen lines are more than enough.
Please do not indiscriminately dump thousands of lines from the log into this discussion.
Important: Some private information, such as your name, may appear in the log. Anonymize before posting.
Step 2
Still in the Console window, look under User Diagnostic Reports for crash reports related to the process. The report name starts with the name of the crashed process, and ends with ".crash". Select the most recent report and post the entire contents — again, the text, not a screenshot. In the interest of privacy, I suggest that, before posting, you edit out the “Anonymous UUID,” a long string of letters, numbers, and dashes in the header of the report, if it’s present (it may not be.) Please don’t post shutdownStall, spin, or hang logs — they're very long and not helpful.

The app store will not load after downloading Mountain Lion.

The app store will not load after downloading Mountain Lion. Anyone else having this problem. It works on the the admins acount on the computer but none others. All of the parnetal controls are off and it doesnt work. All i get from the app store is this.

Yes. I have done everything. restarted, made sure there are no funny blocks or no permissions

After Downloading Mountain Lion IMAC is having bluetooth sleep issues.

After downloading Mountain Lion my 21" IMAC is fine untill it goes into sleep mode for an extended period of time. When I try to wake the IMAC with the Bluetooth keyboard or mouse it will not wake up. I have to hold the power button down for 5 seconds. This does not happen untill the IMAC has been in sleep mode for a wihile (I don't know the amount of time) but if I am at the IMAC and it goes into sleep I and wake it with know problem it has to sleep for a while for the issue to kick in.
Thanks

Open Disk Utilities (Applications - Utilities - Disk Utilities) and run Repair Disk Permissions and then restart the computer and retest.

Hii i heve mini mac model no. A1347 after download mountain lion it's not turn on

hii i heve mini mac model no. A1347 serial no. COxxxxxDD6H
after download mountain lion it's not turn on before whit lion it was good
now its open
"your computer restarted because of problem .press a key or wait a few sconds t continue staring up"
and its go again and again
<Edited By Host>

Startup holding down Command and R it will go into utilities, go into disk utility and repair the disk and repair disk permissions. Tell what happens

Keep getting this pop up box after downloading Mountain Lion ( had Snow Leopard) time profile failure .... how do I fix it ??

Keep getting this pop up box after downloading Mountain Lion ( had Snow Leopard) time profile failure (in a small box).... how do I fix it ??
Pleeeease can any one help i??? t pops up all the time and I have have to confirm in OK box.
I´m not a PRO on a MAC

Can you provide a screenshot? I haven't ever heard of such an error. I suspect it may be third-party software of some kind.

Loss of Magic Mouse function after downloading Mountain Lion

I have lost the "two-finger swipe" back to previous screen function of my Magic Mouse after downloading Mountain Lion. The vertical scroll function still works, only in the opposite direction. Weird! Any ideas?

You must have upgraded from Snow Leopard. The scroll direction has changed to "natural" where you push content in the direction you want it to go, as thought you had you finger on the screen. You can change it back the other direction In System Preferences > Mouse > uncheck Scroll direction: natural.
The swipe back a page is now a one finger swipe. You can change that as well in System Preferences > Mouse > More gestures tab. Click the disclouse triangle for the choices.

My IPhone 3GS is unlocked and i went to update the software and it said that an unknown error has occurred and said it needed to be restored to connect with Itunes. When i got to restore it, it gets about 3/4 of the way done, says an unknown error(1015)

Hey guys. My IPhone 3GS is unlocked and i went to update the software and it said that an unknown error has occurred and said it needed to be restored to connect with Itunes. When i got to restore it, it gets about 3/4 of the way done, says an unknown error has occured(1015). I have no clue what to do and all and any help would be amazing.

See Here
https://discussions.apple.com/message/15290457#15290457
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White screen and freeze when trying to restart after downloading Mountain Lion 8.2 upgrade. Mac will not shutdown or restart without freezing on whitescreen.

Downloaded Mountain Lion update 10.8.2 last night. All went well until the message after the download – restart your mac to install this update. The screen went white and the machine didn’t restart. After waiting for quite a while, I shutdown using the main power button. Restarted iMac later and it opened in 10.8.1 and the iTunes icon informed me that I had an upgrade to 10.8.2 that required me to restart the machine to install the upgrade. I did this and again, the screen went white and froze when trying to restart. Rebooted thinking I might be OK to run in 10.8.1 and ignoring the update but when I tried this the Mac worked fine but when I came to shut down I got the white screen freeze thing again. Does anyone have any easy-to-follow solutions for this or will I have to shut down using the main power button every day?
Many thanks for any suggestions.

Bootup holding CMD+r, or the Option/alt key to boot from the Restore partitirion & use Disk Utility from there to Repair the Disk, then Repair Permissions.
If that doesn't help Reinstall the OS.

Duplications in Calendars and Contacts after downloading Mountain Lion

I just recently download Mountain Lion. All of my Calendars information transfered over but much of it is duplicated and information is on the wrong calendar. An example is that all the information that was on my calendar "Life" is now on a different calendar titled "School." My contacts also duplicated many people. What is the issue and whats the best way to fix this?

Resolving duplicate Contacts after setting up iCloud Contacts
Resolving duplicate calendars after setting up your calendar application for iCloud Calendar

Problem after downloading mountain lion

Ihave just downloaded mountain lion from the app store to my iMac which was running macOSX Lion. When I restarted the computer the Lion symbol comes up and after putting in my password the toolbar appears but then I am asked wheter I want to install a Fax programme. I take the option not now and the screen goes white and then the lion symbol reappears and my password is requested. Even if I accept the offer to install the fax programme the same thin happens and I cannot get access to the computer. What can I do?

After entering my password, the desk top appears closely followed by a message saying 'to open FaxServer Pro you need a Java SE 6 runtime. Would you like to install one now? Pressing either 'not now' or ' install' the screen goes momentarily white and then returns to the screen with the Lion (not mountain lion) symbol and I am back to square one! Help.please.

MacAir running a lot slower after downloading Mountain Lion, has any one else experienced this

Since downloading Mountain Lion, my MacbookAIr runs more like Windows, slow to download.

Someone mention the 'indexing' on another thread, which pertain to a fan issue. But that when you update to a new OS the indexing can take hr.s My point, perhaps that is causing the sluggishness. And the simple answer is, downgrade Safari, if you still have problems with 6. And wait and see if this get's mention a lot and then perhaps Apple does an update to address it.
I'm running it now with Lion, and I did not notice any speed diiference from 5. All I see are new added or deleted features and a few shuffles of this, that and the other. When I hear people get into the forever browser wars, about rendering/speed ect. it's in my opinion more on a person like then actual numbers. And even the numbers can be missleading.
Look at Chrome, sure it's fast, but no one looks behind the scene. It eats up resources as more tabs are open. And while the downloaded file may seem lite at 23 mb, after installation it is as big as Safari. Safari is just up front about it. Even F.F. is over 35 mb after instalation. And their memory leaks are as big as the grand canyon.
Hang tuff, somebody will figure something out if it's a wide spread issue. If not there has to be something then on your machine that is causing the friction, some hiderance. And quite possibly as simple as changing a preference.

After downloading Mountain Lion, and after installing am told a fault has occured and i have to go back snow to Leopard

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