I just went to https://mail.google.com/mail/#inbox
.... then I signed into my gmail account and tried a link in one of my e-mails and had no problems.

Could you post the exact text of the error message that comes up in a Firefox tab when you click on a link in an e-mail from your GMail inbox?

You may have a Firefox extension that is causing the message to appear. Go to the Firefox menu button and click on "Help -> Troubleshooting Information" (which opens the about:support page) and copy the contents to the clipboard and paste here. This will list certain Firefox information, such as installed extensions and modified preferences, that can help identify the problem. See Use the Troubleshooting Information page to help fix Firefox issues.

It might also help if you could test in Firefox Diagnose Firefox issues using Troubleshoot Mode - see Troubleshoot extensions, themes and hardware acceleration issues to solve common Firefox problems.

There is no error message. There is simply a bar that pops up at the top of the screen which says 'Firefox prevented this page from automatically redirecting to another page' on the left side. On the right side is a box that says 'allow' and a 'x'. If I click on 'allow', it works. If I click on the 'x' it closes the window.

If i right-click on the link in Gmail and select 'open in new tab' it works just fine. It only happens when I click on the link directly.

I will look into the 'safe mode' and other info you talked about.

Okay, I started in safe mode and coped the info to the clipboard. Here it is.

 Application Basics

       Name
       Firefox

       Version
       11.0

       User Agent
       Mozilla/5.0 (Windows NT 6.1; WOW64; rv:11.0) Gecko/20100101 Firefox/11.0

       Profile Directory

         Open Containing Folder

       Enabled Plugins

         about:plugins

       Build Configuration

         about:buildconfig

       Crash Reports

         about:crashes

       Memory Use

         about:memory

 Extensions

       Name

       Version

       Enabled

       ID

       Download Statusbar
       0.9.10
       false
       {D4DD63FA-01E4-46a7-B6B1-EDAB7D6AD389}

       DownloadHelper
       4.9.8
       false
       {b9db16a4-6edc-47ec-a1f4-b86292ed211d}

       Free Download Manager plugin
       1.5.5
       false
       fdm_ffext@freedownloadmanager.org

       Freemake Video Converter Plugin
       1.0.0
       false
       fmconverter@gmail.com

       Google Shortcuts
       2.1.7.1
       false
       {5C46D283-ABDE-4dce-B83C-08881401921C}

       Greasemonkey
       0.9.18
       false
       {e4a8a97b-f2ed-450b-b12d-ee082ba24781}

       My Homepage
       1.2
       false
       myhomepage_manishjain9@gmail.com

       NetVideoHunter
       1.9.1
       false
       netvideohunter@netvideohunter.com

       Skype Click to Call
       5.9.0.9216
       false
       {82AF8DCA-6DE9-405D-BD5E-43525BDAD38A}

 Modified Preferences

     Name

     Value

       accessibility.blockautorefresh
       true

       browser.display.background_color
       #C0C0C0

       browser.display.use_system_colors
       true

       browser.places.smartBookmarksVersion
       2

       browser.startup.homepage
       https://www.google.com/

       browser.startup.homepage_override.buildID
       20120312181643

       browser.startup.homepage_override.mstone
       rv:11.0

       browser.tabs.loadInBackground
       false

       extensions.lastAppVersion
       11.0

       gfx.blacklist.layers.opengl
       5

       gfx.blacklist.webgl.opengl
       5

       network.cookie.prefsMigrated
       true

       places.database.lastMaintenance
       1331247118

       places.history.expiration.transient_current_max_pages
       104858

       privacy.donottrackheader.enabled
       true

       privacy.sanitize.migrateFx3Prefs
       true

       security.warn_viewing_mixed
       false

 Graphics

       Adapter Description
       ATI Radeon HD 4600 Series

       Vendor ID
       1002

       Device ID
       9490

       Adapter RAM
       512

       Adapter Drivers
       aticfx64 aticfx64 aticfx32 aticfx32 atiumd64 atidxx64 atiumdag atidxx32 atiumdva atiumd6a atitmm64

       Driver Version
       8.930.0.0

       Driver Date
       12-5-2011

       Adapter Description (GPU #2)
       ATI Radeon 3000 Graphics

       Vendor ID (GPU #2)
       1002

       Device ID (GPU #2)
       9616

       Adapter RAM (GPU #2)
       256

       Adapter Drivers (GPU #2)
       aticfx64 aticfx64 aticfx32 aticfx32 atiumd64 atidxx64 atiumdag atidxx32 atiumdva atiumd6a atitmm64

       Driver Version (GPU #2)
       8.930.0.0

       Driver Date (GPU #2)
       12-5-2011

       Direct2D Enabled
       false

       DirectWrite Enabled
       false (6.1.7601.17776)

       ClearType Parameters
       DISPLAY1 [ Gamma: 2200 Pixel Structure: RGB ClearType Level: 100 Enhanced Contrast: 50 ] DISPLAY3 [ Gamma: 1800 Pixel Structure: RGB ClearType Level: 100 Enhanced Contrast: 0 ]

       WebGL Renderer
       Google Inc. -- ANGLE (ATI Radeon HD 4600 Series) -- OpenGL ES 2.0 (ANGLE 1.0.0.930)

       GPU Accelerated Windows
       0

Go to your Firefox Advanced panel - Accessibility, browsing, network, updates, and other advanced settings in Firefox. In the General Tab under Accessibility, uncheck the option, "Warn me when websites try to redirect or reload the page".

Ref: http://kb.mozillazine.org/accessibility.blockautorefresh

That did it. Thanks a million. I have been looking into the pop-up blocker cause I figured it was something simple like that. Just not familiar enough with Firefox yet.