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  4. How To Reinstall the Adobe Reader Plugin

How To Reinstall the Adobe Reader Plugin

By: DustinThornton
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Adobe Reader is a free portable document format (PDF) viewer. When you first install Adobe Reader, the program automatically installs a browser plugin that allows you to view and print PDF files directly from your browser. If the current installation of the plugin causes your browser to crash, you can reinstall the browser plugin file, located in the Adobe Reader program file folder. If this does not resolve the problem, you can completely remove and reinstall Adobe Reader, which will reinstall the browser plugin.

Show Hidden Files and Folders

Step

Click "Start" and select "Computer."

Step

Click "Organize" in the file menu then click on "Folder and Search Options." A new window will appear.

Step

Click on the tab that reads "View" then scroll down to "Hidden Files and Folders" under "Advanced settings."

Step

Select "Show hidden files and folders." Remove the check marks next to "Hide extensions for known file types and "Hide protected operating system files (Recommended)."

Video of the Day

Step

Click "OK" to save your settings.

Reinstall Adobe Reader Plugin

Step

Right-click the "Start" icon and select "Explore" to open Windows Explorer.

Step

Navigate to the Adobe Reader installation folder at "C:\Program Files\Adobe\Reader 9.0\Reader\Browser" by clicking on the folders in the left pane.

Step

Locate the "nppdf32.dll" file in the right pane. Right-click the file and select "Copy."

Step

Navigate to "C:\Program Files\Internet Explorer\PLUGINS" if using Internet Explorer or "C:\Program Files\Mozilla Firefox\Plugins" if using Mozilla Firefox, by clicking on the folders in the left pane.

Step

Right-click anywhere within the folder in the right pane and select "Paste." Click "Yes" when asked if you want to overwrite the file.

Reinstall Adobe Reader

Step

Click "Start" and select "Control Panel."

Step

Click on "Programs and Features" if using large or small icon view or "Uninstall a program" if using category view.

Step

Scroll through the list of installed programs and locate "Adobe Reader" in the list. Click "Remove." Allow the computer to completely remove Adobe Reader from your system.

Step

Open your Web browser and visit the Adobe Reader download page (see Resources). Click the gold "Download Now" icon on the Web page. Save the file to your desktop.

Step

Double-click the installation file on your desktop. A dialog box will appear.

Step

Click "Next" then click "Install." Allow the installer to unpack and reinstall Adobe Reader on your computer. The Adobe Reader browser plugin will reinstall along with the program.

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