hello jmctexas,

follow the step for resolve the problem:

• Open the "Mozilla FireFox" Browser.
• Click on the drop down menu on the top left corner of the firefox browser, and select "Options."
• The "Options" window will open.
• Click on the "Content" tab.
• check the "Block pop-up windows".
• click the "ok" button.
• Pop-Up Windows is now blocked in Mozilla Firefox Browser.

i hope resolve your problem then please reply me back

Thank you

hi,jms

You need to block the pop-ups from the settings as below : i hope this will help you

Pop-up blocker settings To access the pop-up blocker settings:

Click the menu button Fx57Menu and select Options. Select the Privacy & Security panel. Under the Permissions section, uncheck the box next to Block pop-up windows to disable the pop-up blocker altogether. A click on Exceptions… opens a dialog box with a list of sites that you want to allow to display pop-ups. The dialog box offers you the following choices: Allowed Websites Pop-ups Allow: Click this to add a website to the exceptions list. Remove Website: Click this to remove a website from the exceptions list. Remove All Websites: Click this to remove all of the websites in the exceptions list.

Hi jmctexas, glad to see you on Mozilla Support Forum.

• Click on menu icon.
• Click on options.
• In left pane, you will find Privacy & Security menu, click on it.
• In this menu, You will find Permissions options.
• In this option check Block pop-up windows.

Try some add-ons U-Block Origin

If it doesn't solved your problem, then feel free to ask in Reply Section. Thanks for raising your question in Mozilla Support Forum.