-> Tap ALT key or press F10 to show the Menu Bar

-> go to Help Menu -> select "Restart with Add-ons Disabled"

Firefox will close then it will open up with just basic Firefox. Now do this:

-> Update ALL your Firefox Plug-ins https://www.mozilla.com/en-US/plugincheck/

-> go to View Menu -> Toolbars -> unselect All Unwanted toolbars

-> go Tools Menu -> Clear Recent History -> Time range to clear: select EVERYTHING -> click Details (small arrow) button -> place Checkmarks on Cookies & Cache -> click "Clear Now"

-> go to Tools Menu -> Options -> Content -> place Checkmarks on:

1) Block Pop-up windows 2) Load images automatically 3) Enable JavaScript

-> go to Tools Menu -> Options -> Privacy -> History section -> Firefox will: select "Use custom settings for history" -> REMOVE Checkmark from "Permanent Private Browsing mode" -> place CHECKMARKS on:

1) Remember my Browsing History 2) Remember Download History 3) Remember Search History 4) Accept Cookies from sites -> select "Exceptions..." button -> Click "Remove All Sites" at the bottom of "Exception - Cookies" window

  4a) Accept Third-party Cookies -> under "Keep Until" select "They Expire"

-> REMOVE CHECKMARK from CLEAR HISTORY WHEN FIREFOX CLOSES

-> go to Tools Menu -> Options -> Security -> place Checkmarks on:

1) Warn me when sites try to install add-ons 2) Block reported attack sites 3) Block reported web forgeries 4) Remember Passwords for sites

-> Click OK on Options window

-> click the Favicon (small drop down menu icon) on Firefox SearchBar (its position is on the Right side of the Address Bar) -> click "Manage Search Engines" -> select all Unwanted Search Engines and click Remove -> click OK

-> go to Tools Menu -> Add-ons -> Extensions section -> REMOVE All Unwanted/Suspicious Extensions (Add-ons) -> Restart Firefox

You can enable your Known & Trustworthy Add-ons later. Check and tell if its working.

Did as instructed........still won't work

Don

-> Tap ALT key or press F10 to show the Menu Bar

-> Close Firefox (ALT + F -> Exit)

-> Start Firefox in Safe Mode using one of the following Two Methods:

1) By Holding down the SHIFT key while starting Firefox.

2) Open Windows Start Menu -> click "Run" -> Enter one of the following lines in the Windows Run box:

a) firefox -safe-mode

b) "C:\Program Files\Mozilla Firefox\firefox.exe" -safe-mode

Safe Mode window will appear -> Select Option2 "Reset Toolbars & Controls" & click "Make Changes & Restart".

Check and tell if its working.