Calendar adding random alerts to events

An issue that has been driving me pretty bonkers is that, for some reason, the OS X Calendar app seems to randomly add alerts to events. I had an even in which I had alerts for 1 hour, 3 hours, and 1 day before the event. When the reminder for 1 day before popped up, I swiped it away, and then a little while later, another notification alert popped up, then another a few minutes later. So I went into the event details to find my original alerts still there, but also "23 hours, 30 minutes before" and then "22 hours, 45 minutes before"—alerts I never added. If I try to delete them, they just come right back after I hit "apply."
This is a Google calendar. This doesn't seem to happen on the iPad or iPhone, though I don't really use the stock calendar app much. Has anyone else run into this bizarre behavior?
It wouldn't let me insert an image in the post, but here is a screen cap of the event in Calendar: http://cl.ly/XnGg

Update: Now some of my other calendars are doing this too, like my work calendar, up to almost an hour after the actual event. I have no idea what's going on.

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Calendar creating random alerts for events

The last couple of weeks, iCloud Calendar and the Mac Calendar having been doing something very odd. I have my college courses laid out in my Calendar and syncing between my iPhone, Mac, and iPad. My default setting for this college calendar (and across my devices) was to alert me 15 minutes before each class started.
The last couple of weeks, however, the Calendar would alert me at my default time, but then it would alert me at the time the class was scheduled to start, and then at two random times after the class already started. The other two created alerts usually happened around 5-15 minutes after the event already started. After the second later time, the alerts would stop being created and stop appearing in my notifications. I was even able to watch these alerts being created, and if I deleted the new alert, I would have to delete it a second time before it actually disappeared. And this reminder went out across my 3 devices.
Here's what I have tried.
Changed my password on iCloud/Apple ID
I have removed the PList from Calendar app on my Mac, which changed nothing.
Repaired Permissions with Disk Utility and Onyx, also did nothing (though Disk Utility at one point did detect an error in Calendar which it said it fixed).
I went to iCloud.com and deleted the entire College calendar from the Calendar app and then manually re-added my classes. I noticed that on some the classes, it tried to create the random alerts immediately, but since I deleted those classes again and readded them and they stopped. This temporarily worked.
This last stepped worked for about a week before my college classes started doing this again. Since I applied the iCloud "fix", only some of my college classes have begun creating random alerts again, but only on my Mac and not on my iOS devices. Also, my birthdays imported from Facebook are now exhibiting this trait. No other calendars, such as my work or appointment calendars, are doing this though, and I have tested them by creating new events in said calendars. I don't want to stop using Calendar for something like this. Does anyone have any ideas?

Update: Now some of my other calendars are doing this too, like my work calendar, up to almost an hour after the actual event. I have no idea what's going on.

Calendar adding extra alerts to events

I have recently purchased a Macbook Pro and I have set up the Caleldar app to sync with my iPhone. Now when I make an event on either device my computer adds two other alerts (besides my default-30 mins) to the event for times such as 23 hours before, 1590 mins before, or 1395 mins before. Any ideas on how to stop this from happening?
It also sends me email alerts for events when all I want is a pop up on my laptop or phone.

In case anyone is still having this problem...
Jack7513 didn't mention anything about Google Calendar in the original issue, but I have been syncing with Google Calendar (GCal) and had this same issue. If you use GCal, this may be your solution:
> Open Google Calendar online
> Locate "My Calendars" on the left sidebar
> Open the drop-down menu next to the calendar(s) you sync to your iOS device or Calendar in OS X
> Select "Reminders and Notifications"
> At the top next to "Event Reminders" remove all reminders listed next to "By default, remind me via..." using the "remove" link to the right of each one
> Click "Save" at the top or bottom of the page
Cheers,
zdlyons

Why is the calendar adding extra alerts?

I just got my first Iphone and the calendar is adding extra alerts. I'm using a Google calendar which I have used for years with WebOS, BlackBerry, and Windows Phone. This only started happening when I switched to the Iphone, so I'm certain that it's the Iphone causing it.
If I create an event on the Iphone, it will add the extra alert straight after. I literally just created an event with one alert at the time of the event. Straight after creating it I checked the event details and there is a second alert 1 hour before.
If I create an event on www.google.com/calendar, it will add the extra alert after the Iphone has synchronised the calendar. Before that synchronisation the event alerts are unchanged.
Most of the time it's adding a second alert 1 hour before the event time, although I have one instance where it also added a third alert 50.9 minutes before the event time.

I don't find it hard to use at all.

Not getting alerts for events in calendar.

I add an event in Google calendar and I see it appear on my iphone calendar. However, no alert appears for the event. I have an iphone 4 with the latest iOS 5.0
This is what I have tried so far...
1) In Settings/Mail-Contacts-Calendar, I have Default Alert Time set to "At time of event."
2) Time Zone Support is on and is set to the same time zone as my Google Calendar.
3) The Notification Center is turned on for the calendar, set to alert style "Alerts."
4) When I make an event, and it shows up on my calendar, I look at the details and see that it is listed as having no alerts. I don't want to have to manually add an iphone alert for every event. Isn't that what adding a Default Alert time is supposed to do?
Please, any suggestions will help.
Thanks

Actually, not quite ditto. I am not using gCal. I have a CalDAV server, with two calendars served, my wife's and mine. Each of us is a delegate of the other. On iCal on her computer, she has "ignore alerts" set for all my calendars, and this works. However, she gets the alerts on her iphone. I cannot find an option to "ignore alerts" for the iPhone calendar app. What am I missing here?

My iTouch is stuck in the calendar. Added an alert, hit done and it won't leave the page. Won't let me cancel it either.

My 4th gen iTouch is fairly new. Upgraded from a 2nd gen. Today when I added an event in my calendar and then added an alert, it froze. I hit the done button, nothing. I can't get back to the general calendar. Turned the iTouch off for 20 seconds, still the same problem. Only the Done button is highlighted and won't respond to get me back to the calendar. Cancel button is not available as it's not high lighted. I've never used alerts before, so not sure if that's what caused the problem. The rest of the iTouch is up and working just fine. Maybe a tad slower and at times a bit jerky. But all the rest of my apps are responding and working.

- Try a reset. Nothing will be lost.
Reset iPod touch: Hold down the On/Off button and the Home button at the same time for at
least ten seconds, until the Apple logo appears.
- Next would be a restore, first from backup and then to factory defaults/new iPod if problem persists.

In ical I just added new calendars to a pre-existing calendar group, I can make events with these calendars, but not reminders, any suggestions?

in ical I just added new calendars to a pre-existing calendar group, I can make events with these calendars, but not reminders, any suggestions?

Hi,
Lion has changed the way reminders (todos as was) work. They now seem to need to be in a seperate calendar.
In iCal open the File menu and select New Reminder List... and select where to put it.
Best wishes
John M

I haven't added events but am getting "This calendar is unreadable. No events have been added to your iCal calendar"

I recently started getting the message "This calendar is unreadable. No events have been added to your iCal calendar". However, I typically add my events by typing them myself either on my MacBook Pro or my iPhone. I don't import from outside sources. I don't know if it's related or just coincidental that around the same time, events that I add to my MacBook Pro are not syncing to my iPhone, but the events added by iPhone seem to appear on my MacBook Pro and my MiniMac. Is there a way to find the event that is being referenced in this error message??

iPhone:
Plug in your iPhone
Go to iTunes > Your iPhone > Info and ensure that calendars is not checked off to sync -- if you are using MobileMe to sync, this option should not be checked
On both Macs:
1.) Go to Apple > System Preferences > MobileMe > Sync and remove the check Mark for calendars. With the new MobileMe calendar system there is no need to have this checked. Close the MobileMe window once this is complete.
2.) Open iCal and then go to iCal > Preferences > Accounts and remove the MobileMe account from here with the minus sign.
3.) Go to iCal > Quit iCal
4.) Remove the following to the trash and restart your computer:
Home > Library > Caches > com.apple.ical
Home > Library > Calendars > Calendar Cache, Cache, Cache 1, 2, 3, etc. (Do not remove Sync Cache or Theme Cache if present)
Home > Library > Preferences > com.apple.ical (There may be more than one of these. Remove them all.)
5.) Open iCal and go to iCal > Preferences > Accounts
-- If the MobileMe Account is already here remove it again and then re-add it being very careful to use the correct name and password (for your 10.5 system follow these steps for re-adding: http://support.apple.com/kb/HT4330)
-- If the MobileMe account is not already here, add it in.
iCal will download your calendars from the MobileMe server. Watch and see if you get the error message. If it completes the download (little spinning gear stops spinning next to the MobileMe calendar) go ahead and add a new uniquely named event to one of your MobileMe calendars on both computers and see if it syncs between.
Let us know what happens.

Random alerts in iCal

Hi,
At my work we have an iCloud account set up where we all share the company calendar. The calendar is created and managed through iCloud. A few months ago we started to get a lot of unwanted/random alerts. The are always set for 0 minutes before the event, but I personally seen them pop up after the event as well. A majority of the alerts happen with repeating events. I've tried to manually set them back to none but the alerts come back. I've checked the companies computers and no one has Add Default Alerts set in there preferences. I've even seen alerts get set for events that I personally created and know for a fact weren't set. I know you can just turn off alerts on the iMac, but people that have the cal on their phone still receive that alerts.
So, how can I prevent the alerts from being created, and second is there a way to turn off iCal alerts within the iPhone? Thanks

I just discovered that when I view the events on www.icloud.com the ones that are improperly alerting for me show up there with the alert option turned on, even though they don't show as alerting on the macs or ios devices. So far, it seems that turning off the alert on www.icloud.com fixes the event on the icloud server (so it won't get sent to all the devices). It doesn't fix the cause. That's something Apple has to figure out.
But I think it's related somehow to the mac Calendar Preferences Alerts options. In the latest Lion, either someone has Events>At Time Of Event as their preference, or the default of None is not working. On each mac, try toggling that preference to some value you don't want, like 5 minutes before, then close and reopen preference and turn it back to None.

How can I move an event in my calendar to my "completed" calendar without changing all the events in the series?

How can I move an event in my calendar to my "completed" calendar without changing all the events in the series?
As Apple has yet to upgrade iCalendar so I can check off my events as I complete them (no, I do not want to use a task list/reminder list), I want to be able to move my events to my "completed" events calendar as I complete them. The issue is that most of my events are repeating events, and it changes the entire series. How do I change only the event I clicked on using my iPhone?
Thanks

If you change anything in a repeating calendar entry it will give you the option of disconnecting it from the series. So may any random change, choose to not change the series.

In Calendar I cannot delete an event, every time I try to it just freezes it and says my storage is almost full, what can I do to fix this?

A while back a friend added an event that repeats every day, but it also lasts a year. This has completely thrown off my calendar. I cannot add events or delete them. Unfortunately I have my calendar backed up to iCloud. So, I decided to try and turn the calendar backup off. Does not work, I get a loading symbol for like 10 minutes and then it is still turned on. I have no idea how to fix this and I would rather not have to completely resore my phone. Help!!!

ok, for example for my photos it say 1.9gb on the phone (before it was like 4 or more) but in backup still 4. should i just turn off camera roll in backup options?

Calendar Widget Not Showing Upcoming Events

I've upgraded to the latest N900 firmware (pr1.2) and ever since I have had a problem with the calendar widget. All the events are contained in the calendar when I open it however they are not displayed on the desktop widget.
I've got events loaded for the month of June but for some reason these are not showing. Instead I have events showing for July, September and even December. I've tried removing all the entries and the re-adding them but this hasn't solved the problem. I also created another calendar and placed the entries in the new one, again this didn't work.
Does anybody have any idea how I can resolve this problem.

I have exactly the same problem with the Calendar Widget not showing all upcoming events. It will show events way in the future but skip events inbetween. I've tried all day with PC Suite 7.1 and Outlook 2007 and some freshly entered events come across for unknown reasons whilst others do not. No amount of changing local entries to synchronized ones, deleting all calendar info from the phone and re-syncing by USB cable or Bluetooth solves the problem.
It worked fine before and, as you say, corresponds with the recent n900 software update.
I SINCERELY HOPE NOKIA READ THESE BULLETIN BOARDS.
Also, why isn't there a fully compatible PC Suite or Ovi Suite for the n900? I have a PC running Windows 7 and Nokia have told me in the past that they do not have a fully functional, compatible PC/Ovi Suite for Windows 7 and the n900.
IF ANYONE CAN HELP I WOULD GREATLY APPRECIATE IT

How to un-sync a calendar and NOT delete ANY events? Please help!

Hi,
I seem to be the only one with this problem. I search all over and can't find information for what I want to do, everyone wants to do the opposite.
So basically I had a job and an iphone. I used my calendar at work for personal events and so forth. I synced the calendar on my work's exchange server to my iphone. Then I lost my job. My password no longer works, so sync fails and it keeps asking for my password and draining my battery. I try to cancel sync, and the iphone threatens to delete all my events. I don't want to delete my events, i just don't want it to keep trying to connect to my old job. How can I keep all my calendar events and not get nagged every 10 seconds to enter a password?
I do not have outlook on my home computer either.
Thanks!

OK, so i bit the bullet and canceled my sync to my calendar at my old work.
My old calendar events are now gone. All of them. The stuff added through my outlook at my old work is gone. The personal stuff added on my iPhone directly is gone. The stuff added on my phone after it stopped syncing with my old work is gone. My calendar is COMPLETELY EMPTY now.
Can someone explain this to me?

IOS Calendar - Google CalDAV Alerts Disappear

So I'll make this brief and succint. I have daily alerts set up in my sync'd Google calendar using the native iOS Calendar.
What happens is that I hear the noise on my device (Alert for Calendar event), but when you look at your phone or iPad, the event is gone. As some of these are daily reminders, I know what they are, so I know what I missed. I then started watching my phone during the time change. Sure enough, at the date/time of an event, I would briefly see the alert and it would disappear instantly. This is really frustrating, as at times I have other events that are not daily and those disappear too. I have to go open up the Calendar app to find out what it is. It used to be that the alert would stay up on my screen until I could dismiss/OK it.. so I didn't miss it.
I have a single Google account that I used to add 'CalDav' sync to my iPhone and iPad.
My Google account has 3 calendars (Personal, Family, Good Habits).
These 3 calendars show up, and sync properly with the Calendar app. I see them in there no problem, and it updates.
I have it set up on my iPhone (4s/iOS 6.1) and iPad 3 (iOS 6.1) the same way.
Does anybody else have problems with their Calendar Alerts disappearing from the screen?
For now, the only way I've found to resolve it is to use Google.com/calendar to set up important events to also send me an SMS. This way I at least get a solid notification I can't miss.
I would really love to have the pop-up alerts work properly though. Combing the internet has not yielded help. Using other calendar apps does not help.
Should I be using Exchange to sync my Google Calendars instead of CalDAV? As Exchange support is being dropped by Google, this is not an option.
Thank you all for taking the time to read this, and for any help you can lend.

I recall a couple years ago when I set it up there were limitations, I forget what they were now, to using active sync and people recommended using cardav and caldav. I have a Google Apps for Domains account that I’m using. At this point I see no reason to investigate further.
Thanks again!

Ios 7 calendar not synchronizing alerts with Calendar

Hi Folks. I recently moved to Mavericks and I've noticed that when I create an alert on the iPhone and then sync with my Mac, the event itself shows up in calendar, but its alert is replaced with the calendar default (15 minutes in my case). Sync'ing events created on the mac works correctly: the events show up on the iPhone with the alerts preserved. Any help would be much appreciated! Versions: iOS 7, iPhone 4S, Mac OS 10.9.5, Calendar 7.0.

I totally agree with you bigflea. The previous calendar was so much better. The facility for scrolling the pages day by day was brilliant and other features were better too. It's a backward step in my view.... Very disappointing. Come on 'apple' please review this and change it back to what we like best!

Calendar adding random alerts to events

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