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I download Firefox 4.1 and a few days later it's gone and 3.64 is back.

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I downloaded 4.1 and a day later it's 3.6.1. Then before downloading 4.1 again, I removed 3.6.1 and downloaded 4.1 A few days later, 4.1 is gone and 3.6.1 is back. Any ideas? I use Vista.

Dennis

I downloaded 4.1 and a day later it's 3.6.1. Then before downloading 4.1 again, I removed 3.6.1 and downloaded 4.1 A few days later, 4.1 is gone and 3.6.1 is back. Any ideas? I use Vista. Dennis

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Do you have security software that might have restored that previous version?

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Thank you for your time. Not sure. I use Microsoft Security Essentials. Could that be it?

Dennis