Hi AbhijeetKMishraYes, I have the tab and this error happens after I clicked on the sign in button.I have IE 11 installed.  The same problem occurs even if I set IE as my default browser.Thank you very much for looking into this.Yours sincerely,Leo C.

Hi AlexisI am using Report Builder 5.5, 32-bit.My Excel is Office 365 and it is also 32-bit.Thank you for your help!Yours sincerely,Leo C.