Do a malware check with some malware scan programs. You need to scan with all programs because each program detects different malware. Make sure that you update each program to get the latest version of the database before doing a scan.

• http://www.malwarebytes.org/mbam.php - Malwarebytes' Anti-Malware
• http://www.superantispyware.com/ - SuperAntispyware
• http://www.microsoft.com/windows/products/winfamily/defender/default.mspx - Windows Defender: Home Page
• http://www.safer-networking.org/en/index.html - Spybot Search & Destroy
• http://www.lavasoft.com/products/ad_aware_free.php - Ad-Aware Free

See also "Spyware on Windows": http://kb.mozillazine.org/Popups_not_blocked and Searches are redirected to another site

That message is a result of your settings

• Firefox button/File > Options > Advanced > General > un-check "Warn me when web sites try to redirect or reload the page" to no longer see that message

If this reply solves your problem, please click "Solved It" next to this reply when signed-in to the forum.

There is a setting that can cause this message in Options > Advanced > General
"Warn me when websites try to redirect or reload the page"
http://support.mozilla.com/en-US/kb/Options%20window%20-%20Advanced%20panel

Thank you!!