A program may not function properly

Discussion in 'Windows 10 Phones' started by jorge11, Nov 3, 2017.

  1. jorge11

    jorge11

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    Hi guys,

    I've got a strange problem with Outlook on Lumia 640. I keep getting startup error message "A program may not function properly".

    Really hope someone has a solution for this. i'm running out of ideas.
     
    jorge11, Nov 3, 2017
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  2. jorge11

    Regedit32 Moderator

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    Hi jorge11,

    Welcome to the forum.

    Have you attempting to remove and reset your email account [ especially if you're using imap protocols ].

    In the past [ albeit several years ago now ] some of the servers with XTRA who were using Yahoo servers had problems providing identical UIDs rather than incrementing them. That turned out to be a bug that ultimately was repaired on the ISP end, but a work around was to remove the account then set it up again to force a new UID which allow the email applications to startup and sync correctly.

    Note: By remove account, I do not meant to delete it off the ISP website, but remove it from your Windows phone.
     
    Regedit32, Nov 3, 2017
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  3. jorge11

    shaun221

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    Log into your Outlook.com mailbox using a web browser and check the Sent folder. If you
    see a lot of messages, delete them all. For more information take a look here: Online.File.Repair.Outlook
     
    shaun221, Nov 6, 2017
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