Reproduction:  (how I reproduce it)
  Log in to godaddy.com account.  Go to "Domain Details" for my domain. 
Click any link within my account (or within their site, FAQ, Support,
etc..), then hit the browser "Back" button.  Message appears.

Message:
"The page you are trying to view contains POSTDATA that has expired from
cache. If you resend the data, any action the form carried out (such as a
search or online purchase) will be repeated. To resend the data, click OK.
Otherwise, click Cancel."

Inconsistency:
  The two buttons on the dialog box say  "No" and "Yes", while the message
describes "Ok" and "Cancel" buttons.

Remediation:
  (only personally) I think the answers "Yes" and "No" fit the question
better than "Ok" and "Cancel".  Maybe the last sentence, "To resend the
data, click OK. Otherwise, click Cancel." could read, "Do you want to
resend the data?"

Notes:
  Quick thanks for such a great browser, I dig it.