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The Sign in, Sign up and Sign out items at the top right and top left corners of the yahoo Firefox window do not function.

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At the firefox yahoo in my windows 7 laptop, the "Sign in" "Sign up" "yahoo option"etc. on the top of the window, stopped funtionong. Even the horizontal scroll bar does not scroll up when tapped from top. It can only scroll down when tapped from bottom. This problem does not occur with the internet explorer in the same laptop.

At the firefox yahoo in my windows 7 laptop, the "Sign in" "Sign up" "yahoo option"etc. on the top of the window, stopped funtionong. Even the horizontal scroll bar does not scroll up when tapped from top. It can only scroll down when tapped from bottom. This problem does not occur with the internet explorer in the same laptop.

Chosen solution

The Yahoo! Toolbar extension has been reported to cause this issue. Disable or uninstall that add-on.

   * https://support.mozilla.com/kb/Troubleshooting+extensions+and+themes
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Seçilmiş Həll

The Yahoo! Toolbar extension has been reported to cause this issue. Disable or uninstall that add-on.

   * https://support.mozilla.com/kb/Troubleshooting+extensions+and+themes
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Your solution to the problem was fantastic, the problem was solved with your suggestion.Thanks a lot.