If the Netscape software is not installed on your computer, copy the Nppdf32.dll file from the C:\Program Files\Adobe\Acrobat 4.0\Reader\Browser folder to the C:\Program Files\Internet Explorer\Plugins folder.
For more information about how to copy files, click Start, clickHelp, click the Index tab, type copying, and then double-click the Copying Files, Folders, Files Or Folders, or To copy a file or folder topic.
If you use Adobe Acrobat Reader with Internet Explorer 5.5 or higher and you receive the preceding error when you attempt to open a PDF file, perform the following steps:
Close Internet Explorer 5.5.
Click Start, click Programs, and open Adobe Acrobat Reader 4.0. or 4.5.
Click File, click Preferences, and then click General.
Click to clear the Web Browser Integration check box.
Close Adobe Acrobat Reader.
Restart Internet Explorer 5.5 and return to the Web page again. This time you are prompted to open the PDF file.
Microsoft provides third-party contact information to help you find technical support. This contact information may change without notice. Microsoft does not guarantee the accuracy of this third-party contact information.
The third-party products that are discussed in this article are manufactured by companies that are independent of Microsoft. Microsoft makes no warranty, implied or otherwise, regarding the performance or reliability of these products.
To work around this behavior, follow these steps:
In Adobe Acrobat 4.0, from the File Menu, select Preferences.
Under Options, click to clear the Open Cross-doc Links in Same Window check box, and then close the dialog box.