Hi All, I am using IWebBrowser2::Navigate Method to display the doc and PDF files in my dialog for that I have used following code: CComQIPtr<IWebBrowser2, &IID_IWebBrowser2> m_spWebBrowser; CComVariant vtEmpty; CComBSTR bstrURL ; HRESULT hr = m_spWebBrowser->Navigate(bstrURL, &vtEmpty, &vtEmpty, &vtEmpty, &vtEmpty); On windows server 2008 R2 it is working fine with wow64 environment but when I am executing in x64 bit mode it is opening new instance of Microsoft word / are in acrobat reader. Can any one tell me what the problem in Windows server 2008R2 is? Thanking in advance Shishir

Hello, this you should better post to the MSDN forum instead this one: http://social.msdn.microsoft.com/Forums/en-US/categoriesBest regards Meinolf Weber Disclaimer: This posting is provided "AS IS" with no warranties or guarantees , and confers no rights.