User-Agent: Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US; rv:22.214.171.124) Gecko/20100722 Firefox/3.6.8 Build Identifier: Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US; rv:126.96.36.199) Gecko/20100722 Firefox/3.6.8 Right-Click on this URL does not work in Windows 7, but works fine in Windows XP-SP2 using the same version, 3.6.8 in both. In Windows 7, certain parts of the page (Google Ads) do produce a popup with Right-Click, but most of the page does not. Other URL's work fine in Windows 7. Reproducible: Always Steps to Reproduce: 1. Open the URL 2. Right-Click on page text or picture - no response 3. Right-Click on Google Ad - popup menu appears Actual Results: step 2. no response step 3. popup menu appears Expected Results: popup menu on step 2. Same URL works fine on Windows XP-SP2. Other URL's work correctly in Windows 7. May be something to do with html frames. May be Windows bug.