When you start firefox, a second tab loads, it seems that I have it configured to load only 1 homepage.

for a couple of years, through different versions of firefox, I had a problem of a Chinese web page opens a second tab at the start of ff. I have repeatedly reset the start page in the options settings. I tried to search for the computer names of the web page that is offending to try to find where the file can reside, no chance.
The opening sequence is as follows
start of Firefox
charge of the tab of the desired homepage.
behind the window of firefox, I see a screen flash, it seems to be a DOS window that opens and closes instantly.
the offending tab loading, (so now there are 2 tabs) and load the Web page.

the second page of the tab is a Chinese web site (ip 142.4.108.73), it's the final investigation period to show.
analysis of computer viruses, robots never find or clean the problem

See the following for a few suggestions:

If you don't keep changes after a reboot then see:

Tags: Firefox

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