Downloaded ForceField Version 220.127.116.11 (standalone) install over the top of 18.104.22.168.No issues.
Exit ( Turn Off ) ForceField and loaded up Firefox.Check for update and installed 3.5.5, Exit Firefox and loaded ForceField and Clear virtual data.No issues.
Did a short trial run for most common issues.When to my bank site.The Site Status shows site has a valid SSL certificate signed by trusted certification authority.No issues with Add-ons and Plugins.When to download utility program from from a safe site.No problem downloading file.Looks good so far.Will post if any issues come into play.
Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:22.214.171.124) Gecko/20091102 Firefox/3.5.5
ForceField Version 126.96.36.199 (standalone)
ZoneAlarm Security Suite version:9.1.008.000
Anti-virus engine version:188.8.131.52
Anti-virus signature DAT file version:997501568
Have a nice Day