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eliminate a website that appears at startup

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Instead of my homepage I have a strange website appear at every Firefox start-up. My homepage (sfcollege.edu) is still listed in options settings. I have tried and cannot fix this situation.

This is it: http://web.tofushopnews.com/g/?ilmernzkvtazn=0025561A9C9050C7&pu=&s=D-firefox&nm=ilmernzkvtazn&t=

Instead of my homepage I have a strange website appear at every Firefox start-up. My homepage (sfcollege.edu) is still listed in options settings. I have tried and cannot fix this situation. This is it: http://web.tofushopnews.com/g/?ilmernzkvtazn=0025561A9C9050C7&pu=&s=D-firefox&nm=ilmernzkvtazn&t=

All Replies (2)

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Have you tried using a new profile? See Profile Manager - Create, remove or switch Firefox profiles

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See the Solution in this support thread:
https://support.mozilla.org/en-US/questions/967667

If that isn't the cause of your problem, please start with basic troubleshooting first.
https://support.mozilla.org/en-US/kb/troubleshoot-firefox-issues-using-safe-mode