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stranger thing

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  • 1 has this problem
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  • Paskiausią atsakymą parašė FredMcD

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My firefox web browser. Everytime I open firefox web browser. Firefox opens old tabs that I save at the same time and automatically opens many strange websites without my knowledge. And my Kaspersky antivirus always turns on virus warnings for strange websites.

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What is in the unwanted tabs/windows? Ads? Did you want to open Firefox to the saved tabs?

You may have corrupt sessionstore [v56] sessionstore.jsonlz4 file(s). Delete all sessionstore* files and the sessionstore-backups folder.

Type about:support<enter> in the address bar.

Under the page logo on the left side, you will see Application Basics. Under this find Profile Folder. To its right press the button Show Folder. This will open your file browser to the current Firefox profile. Now Close Firefox.

Windows: Show Folder; Linux: Open Directory; Mac: Show in Finder

Linux: Under the page logo on the left side, you will see Application Basics. Under this find Profile Directory. To its right press the button Open Directory.

Locate the above file. Then rename or delete it. Restart Firefox.


Don't delete the files if you need to rescue any data from them, just move them out of the profile folder to some location where Firefox doesn't look for them. You can try to read out their contents using this tool: https://www.jeffersonscher.com/res/scrounger.html

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