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I cannot sign in at my device the error999 appears

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Re-install your yahoo messanger

Posted on Feb 23, 2009


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Posted on Jan 02, 2017


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When I click on 'sign in with another account' my two other accts do not appear...what to do?

Only accounts installed on your device can be opened. For every mail server you need a program on your device. No mater if it is a computer, tablet or smart phone they all need the correct program and the account has to be installed, or opened on the device at least once. When one of the devices is telling you to open another account, It can't know you already have another account. Let alone it will open one.

Jan 10, 2015 | Computers & Internet

2 Answers

Forgot password code: 8015D002

You see the following error code and message when you try to sign in to Xbox Live:

Account does not exist.
Status Code: 8015D002

This may mean there's a problem with your account. For example, the security information for your account may need to be updated.

Solution 1: Did you recently sign up for two-step verification?
If you recently turned on two-step verification, you may not know how to sign in to apps or devices that don't accept security codes. Some apps (like the mail apps on some smartphones) and devices (like the Xbox 360) can't prompt you to enter a security proof when you try to sign in. If you get an incorrect-password error with an app or device, you'll need to create a unique app password to sign in. After you sign in with your app password, you're all set to use that app or device. You'll use this new app password to sign in to your device instead of using your Microsoft account password.

You'll need to create and sign in with an app password once for each app or device that can't prompt you for a security proof.
  1. Sign in to your Microsoft account.
  2. Under Password and security info, tap or click Edit security info.
    If you're prompted for a security proof, enter it and tap or click Submit.
  3. Under App passwords, tap or click Create a new app password.
    A new app password is generated and appears on your screen.
  4. When you're prompted for your Microsoft account password on your Xbox console, enter the app password that you created online.After you sign in with your app password, you're all set to use that app or device. You will use this new app password to sign in to your device instead of your Microsoft account password.
Solution 2: Verify your Microsoft account security informationFollow these steps:
  1. Visit Microsoft account.
    Note If you forgot your password or can't sign in using your password, reset your password.
  2. Click Edit security info.
  3. Verify your security information. For example, verify the Phone number, Alternate email address, and Security question information.
  4. Sign out of your Microsoft account and then sign in again.
  5. Try to sign in to Xbox Live again.

Nov 02, 2013 | Video Game Consoles & Games

1 Answer


Try changing the input device to something you are sure, works such as a DVD player. Switch off TV manually, switch off power, remove plug and retry after 48 hours.

Jul 31, 2012 | Televison & Video

1 Answer

My laptop says no audio output device installed

right click on the icon "my computer"
select property
a window titled "system property" should appear
click the tab "hardware"
click the button "device manager"
another windows titled "device manager" should appear
click the sign "+" right of the line " sound, video and game controller"
some lines should pulled downm for each of the line do:
right click on each line then select "update driver"
then follow the reinstall process

then reboot your computer

hope it helps

Mar 09, 2011 | Computers & Internet

1 Answer

The yahoo messenger says I've been disconnected because I've signd in from another computer or device, but i havn't. how do i find out what device or computer?

It means that somebody has access into your account..when you are currently on line and this message appears ( I've been disconnected because i've signed in from another computer or device) somebody is also signing in your account in another computer. The best thing for you to do is change your password.

Nov 20, 2010 | Yahoo Messenger

1 Answer

I have an error 999 on my Yahoo e mail

You were probably posting a question with a link in it. The error999 shows up when people try to post links to sites that have been 'overposted' in a short time. It is an antispamming device. It tends to happen a lot with youtube, photobucket, tinypic and such types of links. Remove the link -- and the question will probably post.

Nov 10, 2010 | Maarten van Oosterhout Software Yahoo Mail...

1 Answer

I am not able to download photos on computer from my camera canon 350D,it show error999..

Consider NOT connecting your camera to your computer.

The best way to download pictures from your camera to your computer involves removing the memory card from the camera and plugging it into a card reader (either built-in to the computer or connected via USB or FireWire). This is likely to be faster than connecting the camera to the computer, and won't run down your camera's batteries.

Once the card is plugged in, it will appear to your computer as a removable drive. You can use the operating system's drag&drop facility to copy pictures from the card to the computer's hard drive, the same way you copy any other files. Or you can use any photo cataloging program.

Aug 16, 2010 | Canon Rebel XT / EOS 350D Digital Camera

1 Answer

There appears a a yellow ? sign with my combo

right click on that yellow sign and uninstall the driver if you are lucky windows update will download a new one for you. Alternately go to the manufacturers website and down load a new driver

Mar 21, 2010 | Samsung (SHM522CBEWN) CD-RW/DVD-ROM Combo...

2 Answers

Install error 999

iam facing error999 problem

Sep 13, 2008 | Lands Phones

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