User Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; Trident/7.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; .NET4.0C; .NET4.0E; InfoPath.3; rv:11.0) like Gecko Steps to reproduce: Opened mail.yahoo.com and tried to view, delete, move the e-mails. Actual results: e-mails are displayed but I can't view, delete, move any e-mail. I can't access the left side folders Also the add displayed in the right side is not visible. Firefox ESR 24.5.0 works just fine with Y! Mail. Several other previous builds had the same problem: I use IE tabs as a workaround for this problem. Expected results: the obvious

I have added the extension list just to give you a clear landscape. Thank you.