When using Yahoo mail my contacts are there one minute and when you click on the they all go away and it says you have no contact

Question

The TO box used to auto fill when I started typing if an address was in my Contact list. The + at the end of the area for an email address says I have no Contacts
With Firefox, Yahoo Mail works normally except for contacts, when I click "Contacts" I get a screen with no names listed. If I start a new eMail and click "To" the listing appears as normal.
When I launch Yahoo Mail from Internet Explorer, the "Contacts" tab works normally.

Answer 1

Many site issues can be caused by corrupt cookies or cache. In order to try to fix these problems, the first step is to clear both cookies and the cache.
Note: ''This will temporarily log you out of all sites you're logged in to.''
To clear cache and cookies do the following:
#Go to Firefox > History > Clear recent history or (if no Firefox button is shown) go to Tools > Clear recent history.
#Under "Time range to clear", select "Everything".
#Now, click the arrow next to Details to toggle the Details list active.
#From the details list, check ''Cache'' and ''Cookies'' and uncheck everything else.
#Now click the ''Clear now'' button.
Further information can be found in the [[Clear your cache, history and other personal information in Firefox]] article.
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