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Firefox crashes

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  • 1 has this problem
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  • Last reply by philipp

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The Firefox start page comes up fine but when I try to go to another website I get a massage that the site is not secure. This applies to all sites. I have Google available and I can go there to view all these sites but Firefox has all my bookmarks, etc and is much handier-- if it works. I've re-booted the computer as well as the 4G hotspot so this isn't the problem.

The Firefox start page comes up fine but when I try to go to another website I get a massage that the site is not secure. This applies to all sites. I have Google available and I can go there to view all these sites but Firefox has all my bookmarks, etc and is much handier-- if it works. I've re-booted the computer as well as the 4G hotspot so this isn't the problem.

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hi, this is likely your avast/avg security software tampering with encrypted connections. please either try to reinstall your security software or else follow the more specific steps for it at How to troubleshoot security error codes on secure websites.