Ff Firefox cannot be opened. How can this problem be solved? Solution to Firefox cannot be opened

 

There are many reasons for this:

Cause 1: Let's see if the Firefox browser process is starting. You can stop all firefox.exe processes in the task Manager (task manager.pdf) and then open the browser.

Cause 2: Check if there are some plug-ins, such as Norton IPS, Select Norton Toolbar, and Skype 4.0. You can try to disable these plug-ins.

Cause 3: The system automatically opens the system proxy.

1. After trying to use the latest browser, click "menu-option-open tab", as shown in the following figure.

2. Click "Advanced" function-click "network"-and then click "settings" on the right of the network, as shown in the following figure.

3. After opening the interface, you will see a "use system proxy settings". Now we will deselect "do not use proxy.