You need to have JavaScript enabled to use this page. To enable JavaScript, follow these instructions.

Help fix over 30,000 PC issues that are slowing down your computer with System Mechanic. Try it now: UK or Ireland.

Sign in after receiving an 'ID is not yet taken' error

On a rare occasion you may see the “ID is not yet taken” error when signing in with an established Yahoo ID. You should be able to access your account shortly, but there are a few things you can try to fix to issue faster.

Make sure the ID is correct without any spaces
Try signing in from the primary login page or Yahoo Mail
Try signing in from a different computer or mobile device
Clearing your browser’s cookies may resolve the problem