Firefox 27.0.1 on the home desktop, create chaos

I downloaded the latest version of Firefox on my desktop yesterday (I am currently using my laptop because the office is in chaos) and (1) it won't let me change the homepage to a need; (2) it remains on a Yahoo search engine page, which we do not; and (3) when we try to visit other websites, including Mozilla Firefox, we get a links page that says that the site is not trustworthy and will not get certificates

I'm not a geek, but a simple user and would appreciate guidance on the resolution of these problems.

Thanks, Welsh Pascal

Edit: deleted personal information. We do not support by phone, please keep all communications on the public forum. (philipp)

The information provided in the details of the system more indicates that you have no user.js file, but the default setting in Windows 7 has the whole folderset where this file is stored as a "cookie." Dell Tech support, but perhaps should not, be aware that it is in a hidden place.

See to learn how to access this file.

https://support.Mozilla.org/en-us/KB/how-to-fix-preferences-wont-save#w_user-js-file-overriding-preferences

Tags: Firefox

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