Firefox v36.0 crashes because of Avast Premier 2015 version 2015.10.0.2208

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Avast Premier 2015
version 2015.10.0.2208 from 7/11/2014 16:33:43
is still killing latest Firefox update version 36.0

because of avast freezes Firefox, it hangs after a few minutes and troubles different sites, mostly sites where flash is in used, like youtube or....
the problems showed up since i update my avast to the 2015 version.

[Pondus]

try latest version  https://forum.avast.com/index.php?topic=166883.0

[Eddy]

Perform a clean installation of the latest version.

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got installed a clean install of latest version installed from avast premier 2015, now i can't activate the avast firewall anymore. it's getting worse...

from
https://forum.avast.com/index.php?topic=166883.0
How to install:
1. If you have installed some beta version before you can update it to this latest version via Settings->Update->Program.
2. Or you can download and install from here:

http://files.avast.com/beta9x/avast_free_antivirus_setup.exe
http://files.avast.com/beta9x/avast_pro_antivirus_setup.exe
http://files.avast.com/beta9x/avast_internet_security_setup.exe
http://files.avast.com/beta9x/avast_premier_antivirus_setup.exe

[Eddy]

Did you perform a clean installation ? (used the uninstall tool?)

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Did you perform a clean installation ? (used the uninstall tool?)

my problem about the firewall is now solved,  re-installed another time, but first used the uninstaller tool and then clean install again.

i hope my problem with firefox is now solved to...

thx for feedback!

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I have used Firefox from day one and it always crashes at one point or another especially after a recent release.