ICal error "400" the request for account fail!!

iCal on my Macbook keeps on popping up with the following:
The server responded with an error.
The request for account “myemail (at) yahoo.com” failed.
The server responded with
“400”
to operation CalDAVCalendarSplitDualTypeCalendarQueueableOperation.
I don't even have a calendar account with my yahoo account, since I use my gmail and iCloud calendar. I went into system preferences and made certain the "calendars" option was unchecked for my yahoo account in the Internet Accounts page. Nonetheless, iCal pops up with the same error message multiple times within the hour. I'm not sure why iCal is even requesting for my yahoo calendar, since I have never used it in iCal since day one. Any ideas?

Just out of curiosity, did you install FileZilla recently? The install comes with malware called Speedial. You may have noticed that your default search engine in all browsers is set to Yahoo, and furthermore impossible to override via the normal course of action.
Removing Yahoo from local apps is easier than resetting them. All I had to do was delete the (added without my consent) Yahoo account from System Preferences, and the iCal Yahoo calendar disappeared momentarily.
For resetting Safari, look here: Reset Safari Settings/Preferences

Similar Messages

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    Appreciate any help. 

    Try this first:
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  • When I run ical on my mac I get the error:   The server responded with an error. The request for account "Yahoo!" failed. The server responded with "504" to operation CalDAVAccountRefreshQueueableOperation.

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    I am tired of how Yahoo has gotten worse and worse. It is the ONLY account I get problems with DAILY (even after removing and re-adding). AOL will act up once in a while not taking a saved password but accepting it when OK is clicked.... But Yahoo is always responding with such errors.... Today's calendar error is:
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  • The server responded with an error. The request for account "Yahoo" failed. The server responded with "502" to operation CalDAVAccountRefreshQueueableOperation

    The server responded with an error. The request for account "Yahoo" failed. The server responded with "502" to operation CalDAVAccountRefreshQueueableOperation

    I am tired of how Yahoo has gotten worse and worse. It is the ONLY account I get problems with DAILY (even after removing and re-adding). AOL will act up once in a while not taking a saved password but accepting it when OK is clicked.... But Yahoo is always responding with such errors.... Today's calendar error is:
    The request (CalDAVAccountRefreshQueueableOperation) for account “Yahoo” failed.

  • When I try entering a new event in iCal on my MacBook Air, I get an error message popping up on my screen that says: The request for account "iCloud" failed.  The server responded with "502" to operation CalDAVSetPropertyQueueableOperation. Help!!??

    When I try entering a new event in iCal on my MacBook Air, I get an error message popping up on my screen that says:
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    Hello b.krushel,
    Thank you for using Apple Support Communities
    Any number of things could cause this issue, so I would recommend this article named iCloud: Troubleshooting iCloud Calendar found here http://support.apple.com/kb/TS3999.
    These sections in particular:
    General Troubleshooting
    Make sure there are no current issues listed on the System Status that affect iCloud Calendar. The System Status is located on the iCloud Support webpage.
    Make sure you have fully enabled iCloud Calendar for the client you are using (for more setup and troubleshooting information on iOS, OS X, Windows and iCloud.com, see the additional details below).
    Check to see if the issue you are seeing is covered in iCloud Help. To search iCloud Help, visit help.apple.com/icloud.
    Check your settings and preferences as something may not be set up correctly. For example, having incorrect date and time settings can cause issues which are easily resolved by entering the appropriate settings.
    Troubleshooting Calendar on OS X Mountain Lion (iCal on OS X Lion)Note: For instructions on setting up iCloud Calendar with Calendar or iCal on your Mac, see iCloud Setup.If you are having trouble with Calendar or iCal on a Mac and you are using iCloud Calendar, try each of these steps, testing after each to see if the issue is resolved:
    Make sure you are using OS X Lion v10.7.2 or later. Click here for help verifying the version of OS X you are using.
    Make sure your computer is online. Attempt to view www.apple.com and iCloud.com. If you can't connect to the Internet, your iCloud calendars and events will not update in iCal. Click here for more information about troubleshooting your Internet connection.
    Verify that your iCloud member name is entered into the iCloud Preference pane in System Preferences. See iCloud Setup for more information about setting up iCloud on a Mac.
    Make sure you enter and update calendar information in the iCloud section of Calendar or iCal. Only calendars and events in the iCloud section of the Calendar or iCal Calendar list will be pushed to iCloud. Both Calendar and iCal for the Mac support the display of and interaction with multiple accounts and datastores, for example, iCloud, On My Mac, Exchange, Google, and so on. This makes it easy to create or modify events or calendars in a section of  Calendar or iCal that may not be updating iCloud. Learn more about moving local calendars to iCloud.
    In some cases, you may find that you have data duplicated in both the local On My Mac and the iCloud sections of Calendar or iCal. Learn more about resolving this issue.
    You can make the iCloud calendar your default calendar for all new events. In Calendar on OS X Mountain Lion, choose Calendar > Preferences > General, or in OS X Lion, choose iCal > Preferences > Generaland under the Default Calendar heading, select one of the Calendars under the iCloud heading. Close the Preferences window to save this change.
    If recent changes simply don't appear, try forcing Calendar or iCal to refresh by selecting Refresh All from theCalendar menu.
    Make sure your account was successfully created in Calendar on your Mac (or iCal). After upgrading to iCloud Calendar, you may need to quit and reopen Calendar (or iCal). To confirm your account is configured correctly in iCal:
    Open Calendar (or iCal).
    Open Calendar (or iCal) Preferences.
    Click Accounts. You should see an account with your iCloud member name entered.
    Turn iCloud Calendars off and back on
    Quit Calendar (or iCal).
    Choose Apple () menu > System Preferences > iCloud.
    Remove the checkmark in the checkbox next to Calendars.
    Close System Preferences and wait about a minute.
    Open System Preferences and choose iCloud.
    Replace the checkmark next to Calendars.
    Close System Preferences.
    Open Calendar (or iCal) and test to see if the issue has been resolved.
    Restart your computer. This may sound simple, but it does reinitialize your network and application settings and can frequently resolve issues.
    Take care,
    Sterling

  • Hi Has anyone had this error message from iCal?  The request for account "Work" failed.  The server responded with "502" to operation CalDAVAccountRefreshQueueableOperation.

    I keep getting this message whenever i am connected to iCal which is a tad annoying.
    The request for account “Work” failed.
    The server responded with
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    Please help!
    pippilaing (NZ)

    What I found works best is to do the following:
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    Go to iCloud.com and sign-in
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  • The request for account "iCloud" failed.  The server responded with "400" to operation CalDAVAddSubscriptionCalendarQueueableOperation

    Does anyone know how to fix this problem?  Or even what the problem is?  I am trying to subscribe to a calendar and every time I do, it gives me this response:
    The request for account “iCloud” failed.
    The server responded with
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    Keep away from iCloud and keep away from iCal. This is the most reliable solution to these 403 issues.
    The Mac cannot upload calendars and keeps popping up error messages with an insane frequency.

  • The request for account "iCloud" failed.  The server responded with "400" to operation CalDAVUpdateShareesQueuableOperation.

    The request for account “iCloud” failed.
    The server responded with
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    to operation CalDAVUpdateShareesQueuableOperation.

    Try this first:
    In iCal Preferences…, choose Accounts, then select the account that is giving you trouble. Uncheck the box labeled Enable this account. Wait a few seconds, then re-check the box. This should solve the problem.

  • TS3999 Need help! I get this message; The request for account "iCloud" failed.  The server responded with "400" to operation CalDAVUpdateShareesQueuableOperation.

    Why do I get this message? It drives me crazy and I can not find any support in the support pages...
    The request for account “iCloud” failed.
    The server responded with
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    to operation CalDAVUpdateShareesQueuableOperation.

    Follow the links given in the right panel, under "More Like This", they should provide answers.

  • The request for account "iCloud" failed.

    I keep getting this message:
    "The request for account “iCloud” failed.
    The server responded with
    “502”
    to operation CalDAVAccountRefreshQueueableOperation."
    whenever iCal opens. It gives me the option to "Stay Offline" or "Go Online" but even when I click "Go Online" the message just pops up again.
    How can I fix it?!
    Thanks in advance.

    Try this first:
    In iCal Preferences…, choose Accounts, then select the account that is giving you trouble. Uncheck the box labeled Enable this account. Wait a few seconds, then re-check the box. This should solve the problem.

  • What is causing this message? The request for account "iCloud" failed.  The server responded with "509" to operation CalDAVMigrateToServerQueueableOperation.

    What is causing this message. Occurs on both Mini and MacBook Pro.
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    Follow the links given in the right panel, under "More Like This", they should provide answers.

  • The request for account "iCloud" failed.  The server responded with "502" to operation CalDAVAccountRefreshQueueableOperation.

    The request for account “iCloud” failed.
    The server responded with
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    to operation CalDAVAccountRefreshQueueableOperation.

    I am having the same annoying problem. Suggest it is a Cloud issue.

  • TS3999 calandar on my macpro says its off an when I try to take it online I get this message: The request for account "iCloud" failed.  The server responded with "507" to operation CalDAVAddCalendarQueueableOperation.

    My calandar on mac pro isn't online, when I try to take it online it says:
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    In System Preferences>iCloud, click the account button, log off then back on.

  • Error: 400 "Bad Request" for "deletetree", file "": Unsupported protocol .

    Hi 
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  • I can't connect to my Yahoo calendar, getting error, the server responded with an error, the request for account Yahoo failed, the server responded with 502 to operation, caldavaccountrefreshqueable operation

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    I am tired of how Yahoo has gotten worse and worse. It is the ONLY account I get problems with DAILY (even after removing and re-adding). AOL will act up once in a while not taking a saved password but accepting it when OK is clicked.... But Yahoo is always responding with such errors.... Today's calendar error is:
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