ICal unexpectedly disappeared

My iCal unexpectedly disappeared and when I tried re-installing iCal, I got an error message of "iCal cannot be installed on this computer."
I have not problems before too with various programs such as Virex and even installing Tiger.
I was told by apple service centre in Hong Kong that the Hard Disk meant be corrupted and I think they erased my hard disk before installing tiger again.
and now the same problem resurfaced but with iCal.
Please Advice!

Lorenzo, your not alone. I too have the same problem and have been reading these threads in an attempt to find a solution. So far no luck. I too have had problems since installing Tiger but iCal was stable at first. I have recently installed Virex 7.7 due to the problems the earlier version had with Tiger. As a last resort, I will uninstall Virex again. The only other strange behaviour that I have not been able to remedy since Tiger is the Calculator can only be quit from the dock. I don't think the two are associated but it would be interesting to know if your having this problem too.
Jim.

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Some iCal events disappear when in week view

Hello all,
I recently had a double agenda booking. Today I found out why:
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So, depending on the view i have open time slots. Not very reliable.
Anyone know what i can do to return to solid bookings again?
Best regards
Fred

Same problem here. I just imported everything from my old MacBook to my new one using Time Machine. My events appear in the Month view but not in the Week or Day views. So I went back to my old MacBook, created an iCal backup file, and emailed it to myself. Opened it on the new machine, restored from the backup file, and . . . same thing!
Very strange!! I need my daily events to be visible. Any help out there?

ICal app disappeared?

I've been using iCal for a couple of years. Yesterday - in completely normal usage - my iCal application disappeared. Or rather then iCal app icon now looks like sheet of paper with pen, pencil and ruler forming a letter A.
I currently cannot access any calendar information.
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Topic closed. Copied iCal application from another mac. Solved problem.

ICal has disappeared from my iMac.

ical has disappeared from my iMac. the program is completely gone. it's still in iCloud (and on my iPhone and MacBook) - how can i get it back on my imac?

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(84990)

Why does the first iCal notification disappear as soon as I open the Apple cover so I can't read it?

Why does the first iCal notification disappear as soon as I open the Apple cover? It disappears so quickly that I cannot read it!

Right now (and for quite some time!) the community pages are a real PITA. Trying to link the two did not bring the nice behavior of the Forums to the Community, but rather brought that stench over here!
https://decibel.ni.com/content/thread/11597?tstart=0
Flame on. I find the community useless.
Click on link, or revisit old address from browser.
Hey nice, I am logged in.
Click on another link.
Darn, now I am logged out.
Log In.
Now I am at the Community Home page, where the heck was I?
Actually not mad, just indifferent. I figure in a few months I'll hear that it was fixed and maybe I'll go back there.

Ical events disappearing on OSX Lion

I actually have three issues, and these appear to be quite common issues with OSX Lion users:
1. When I receive email calendar invitations (attachments come in as .ics) I can open the .ics file, accept the event and it goes into iCal for about 5 seconds, then disappears. This only happens on invitations that are sent to me. Events I creat are stable, no issues.
2. The time zone is way off. The events are most frequently coming from an outlook server in my same timezone but the times are usually about 7 to 8 hours later in iCal than stated in the .ics attachment. If I send an acceptance, the time that goes back to the inviter is the incorrect (7 to 8 hours later) time and it causes confusion.
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I actually have three issues, and these appear to be quite common issues with OSX Lion users:
1. When I receive email calendar invitations (attachments come in as .ics) I can open the .ics file, accept the event and it goes into iCal for about 5 seconds, then disappears. This only happens on invitations that are sent to me. Events I creat are stable, no issues.
2. The time zone is way off. The events are most frequently coming from an outlook server in my same timezone but the times are usually about 7 to 8 hours later in iCal than stated in the .ics attachment. If I send an acceptance, the time that goes back to the inviter is the incorrect (7 to 8 hours later) time and it causes confusion.
What's worse is once the iCal invite disappears and I go back to their email invite to re-populate iCal with the invite, it queues up another "Accept / Maybe / Decline" response. Time is still incorrect.
Any thoughts on how to fix these issues for good?
I am using gmail as my main calendar so it syncs with my phone calendar. I am not using MobileMe. I have an iPad 2 and have the same issues with the iPad OS.

Ical unexpectedly quit....again and again and again and again

My iCal unexpectedly now quits every time I try to start it up--it shows the calendar (but none of my events) then gives me the message about it unexpectedly quitting. I read some of the other posts about similar startup issues, but I kind of need someone to walk me through a solution step by step since I am not as computer savvy as most. Thanks!

I had something simiar happening. iCal would unexpectly launch and then hang my system. I finally realized that iCal was atomatically starting when I had alarms set for a calendar event.
When iCal is not running move the calendar culprit to a folder on your desktop. Your calendar folder should be located at users/[your username here]/Library/Calendars
Restart iCal. iCal will show your calendar in your list but no events will be associated with it. Delete the calendar in you iCal list (not from the folder on your desktop).
Hope this helps
sb

My Ical events disappeared how do I restore with time machine/mountain lion?

I recently installed mountain lion. Today my ICal events disappeared and I can't restore them with time machine. What happened? How do I fix it?

Did you try rebuilding the library's database file as follows: make a temporary, backup copy of your library if you don't already have one (Control-click on the library and select Duplicate from the contextual menu) and apply the two fixes below in order as needed:
Fix #1
Launch iPhoto with the Command+Option keys held down and rebuild the library.
Since only one option can be run at a time start with Option #3, followed by #4 and then #1 as needed.
Fix #2
Using iPhoto Library Manager to Rebuild Your iPhoto Library
1 - download iPhoto Library Manager and launch.
2 - click on the Add Library button, navigate to your Home/Pictures folder and select your iPhoto Library folder.
3 - Now that the library is listed in the left hand pane of iPLM, click on your library and go to the File ➙ Rebuild Library menu option.
4 - In the next window name the new library and select the location you want it to be placed.
5 - Click on the Create button.
Note: This creates a new library based on the LIbraryData.xml file in the library and will recover Events, Albums, keywords, titles and comments. However, books, calendars, cards and slideshows will be lost. The original library will be left untouched for further attempts at fixing the problem or in case the rebuilt library is not satisfactory.

Iphone ical icon disappeared from screen-how to get it back?

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Stock apps can't be deleted, so either its been moved to another page or placed in a folder. If you're positive you've looked on every page & in every folder and still can't see it, do this: Settings>General>Reset>Reset Home Screen Layout. See if you see it now.

ICal content disappeared but shows up on MobileMe and iPhone

Hi!
I wanted to post a "question" and the "answer" because I've spent a couple of days on forums and testing and trying and restoring and ... well you get the picture. Here were my symptoms:
I have a MobileMe account. (ALL calendar data could be seen)
I have a personal iMac. (NO calendar data could be seen)
I have a work iMac. (NO calendar data could be seen)
I have an iPhone. (ALL calendar data could be seen)
I'm using MobileMe services and syncing all data between all four devices. (not to mention my wife's iphone)
*THE PROBLEM:*
The problem was that for some unknown reason both of my iCal applications at work and at home suddenly disappeared. No data could be seen in either one. I figured something went wrong with a sync and I would just check my iPhone and MobileMe site to make sure all data was still there. YES all data was there - WHEW! Now, I would just manually sync my data and transfer all data from cloud replacing computer iCal data. No problem. I received no errors, clicked on iCal - nothing. Again-all data on iPhone remained nothing showed up on my work or personal iMacs. Confused, I decided to call up Apple's support for iPhones. I spoke (texted) with Michael M somewhere in Canada (very nice gentleman - did a wonderful job walking me through over an hours worth of ideas) but to no avail. We finally decided that I needed to use my Time Machine backup to get iCal to a "working" condition and upload all data to the cloud replacing everything from that scenario. This also did not work. Something got corrupted somewhere.
*THE SOLUTION:*
I closed iCal and marched on over to Users/myuser/Library/Calendars/
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Hey Timothy,
So there is two Contacts icons on the iPhone?
The iPhone 2.0 software adds a Contacts application to the iPhone.
Try restoring the iPhone.
http://docs.info.apple.com/article.html?artnum=305744
You can also try downloading the application in iTunes and then syncing it to the iPhone.
Jason

ICal opens although when I click week view iCal unexpectedly quits

Dear colleague:
May I have your help?
I will appreciate if somebody help me on this issue described bellow.
Details of the crash:
iCal opens smoothly.
I go to the month view and all appointments appears right correctly.
Right after clicking week view (button in the toolbar), iCal opens the week view yet seconds after it unexpectedly quits sending automatically reports to Apple.
Hoping to have any help very soon
Thx

IcemanKo70,
Welcome to Apple Discussions.
First, refresh the the com.apple.iCal.plist file. You will find the com.apple.iCal.plist file in your Macintosh HD/Users/yourusername/Library/Preferences Folder. Quit iCal, drag the com.apple.iCal.plist file to your Desktop, log out/in or restart.
Then before restarting iCal, open System Preferences...>Language & Text>Formats>Region: and set/reset the appropriate region.
;~)

ICal events disappeared (not linked to MobileMe or iCloud)

Hello,
I run iCal 4.0.4 with MacOSX 10.6.8.
I recently noted that all events before 6 May 2011 have disappeared and I don't know why.
The preferences are not set with the 'Delete events ?? days after they have passed' (the box is not ticked).
I did a test yesterday looking if the events where disappearing but that is not the case, so this morning events after the 6 May 2011 still there.
My iCal is not linked to ModileMe or iCloud in any way.
Where are the events before 6 May have gone? Can I retrieve them? Would events continue to disappear?
Any help is much appreciated.
Thanks

You need to ensure that each device (including the MBP) is using iCal from iCloud (NOT a local version of iCal). Using the MBP as an example, click on the Calendars icon in the upper left corner and look for something similar to the following:
If it does not say ICLOUD at the top, there's your problem. Post back and we'll go from there.

ICal Bug: Disappearing Meetings

I am posting in the hope that someone else can validate and help me solve a problem I have been having sporadically with iCal. I have done other searches and see that people have complete vanishing calendars but this seems to be a more subtle form of the same issue.
Problem: Meetings will vanish or disappear from my Calendar.
Factors: I have two macs, synced through .mac. My home computer and my laptop. Both running 10.3.4. Both running the current versions of iCal and iSync. I generally have iCal running on both computers at the same time, but I only update one at a time (since I only use my laptop at work and my desktop at home)
I haven't been able to reliably reproduce it which is the frustrating part.
It seems that between closing iCal and restarting, it will loose meetings / meeting information(for example, it will show "New Event" but be missing the name and location information), which makes me think that there might be problem relating to sync -- that something from one computer is overwriting the new one with "no meeting" so it is getting erased. It shouldn't work that way, but I cannot explain it any other ways.
It has happened enough that I now have to go in and check repeatedly to see whether a meeting is still there. It is very frustrating as the missing meetings have made me miss calls or appointments.
I have checked to make sure I haven't accidentally put it on a different day / time (I am 99% sure it is not user error)
Details:
Mac OS 10.3.4
iCal: 1.5.2
iSync: 1.4
The meetings are only with myself - I don't usually invite other attendees.

A similar thing happened to me recently. An entire calendar ("home") completely vanished, not just a few entries. I had recently added some birthdays to the calendar and the next time I opened up the program. Poof, all gone. I'm going to have to avoid the program until this problem is fixed. I can't have important information across an ENTIRE category vanish like this. It could be devastating if too much info months in advance gets put in there.
I don't synch it up with anything, so I don't think that's what caused the problem. I did enter each birthday address with an "eternal" setting. I wonder if this is what corrupted it so badly? Too many birthdays times infinity?
Mark Tedin

Notes in iCal events disappear

I've had trouble with notes within iCal events, as well as the parameters for repeating events and catagories, disappearing for no apparent reason from my Mac, iPad or iPhone (the phone seems to be the most frequent culprit). They all sync with each other, and regardless of which device I use to enter the event note, random ones will just vanish. Has anyone else encountered this? I use these event notes for accounting purposes, as I book clients with iCal. It's rather inconvenient when they're suddenly not there anymore. Thanks!

I sync iCal between multiple iMacs, a MacBook, an iPhone, and an iPad and I have the same problem. Any thoughts/feedback would be greatly appreciated!

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After updating to 10.4.3 all my iCal data was gone. I restored it using Backup and when I launched iCal it all appeared as normal—and then a few seconds later, poof, it all disappeared again right before my eyes. I tried making a new entry and at first it didn't seem to work, then all my iCal data reappeared for a few seconds, only to disappear again a few seconds later, leaving iCal "virgin" as if no entry had ever been made.
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Yes,,, how did you solve the problem specifically from all the suggestions you got?
I got a whole new powermac and used the migration assistant, but that didnt bring the information over for some reason (regarding iCal atleast, and some small unimportant pref files).
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ICal unexpectedly disappeared

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