- Why can’t I open PDF files in Firefox?
The most common cause of this problem is that the Adobe Acrobat Reader plug-in for FireFox has not been installed properly. A common cause of this is installing FireFox after installing Acrobat Reader.
You can fix this issue by downloading and installing the latest version of Acrobat Reader from the following location: http://www.adobe.com/products/acrobat/readermain.html
- Why can't I view the PDF version for online articles?
Click the Tools Menu and select Internet Options.
The Internet Options window will appear. Select the Security tab.
From the Security Tab Panel, click the Custom Level button.
The Security Settings - Internet Zone window will then open. Find the Scripting section.
You will see an entry called Active Scripting. Enable it.
A warning window will pop up, verifying that you want to change the settings for this zone. Choose Yes.
Click on the OK button to save the changes and refresh your page.
Click the Tools Menu and select Options.
The Options window will pop-up - choose the Content tab.
You will see a checkbox labelled "Enable JavasScript." Tick it.
Click the OK button to save the changes.
Click on the Edit menu and choose Preferences.
The Preferences window will load. Click on the Security tab.
Under "Customize and Control Google Chrome", choose Settings.
Under Settings, click on "Show Advanced Settings."
You should now see a "Privacy" section. Press "Content Settings."