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firefox is slow

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dupp
dupp
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I was running firefox 37.0.2 with kaspersky antivirus 2013 and zonealarm pro and didnt had any problems. After i updated to kaspersky antivirus 2015. I tried to launch firefox and it took very long to load up. When i try to search something on google it takes a long time to load a page. So i tried doing the refresh feature and it didn't work then i tried to update to the latest version 38.0.1, also didnt work. So ive installed kaspersky antivirus 2013 again and still firefox is slow. Ive tried refresh feature, cleaning cache, disable hardware acceleration and even went to firefox 34. None of these worked. When i launch firefox with firefox.exe -p and select a profile, firefox works fine, but when i launch it from taskbar it is very slow at start up and loading pages. And when i try to remove a profile, it ask me to delete the files. If i try to do that, it freeze up as well. So i can only manually delete the new profiles.

I was running firefox 37.0.2 with kaspersky antivirus 2013 and zonealarm pro and didnt had any problems. After i updated to kaspersky antivirus 2015. I tried to launch firefox and it took very long to load up. When i try to search something on google it takes a long time to load a page. So i tried doing the refresh feature and it didn't work then i tried to update to the latest version 38.0.1, also didnt work. So ive installed kaspersky antivirus 2013 again and still firefox is slow. Ive tried refresh feature, cleaning cache, disable hardware acceleration and even went to firefox 34. None of these worked. When i launch firefox with firefox.exe -p and select a profile, firefox works fine, but when i launch it from taskbar it is very slow at start up and loading pages. And when i try to remove a profile, it ask me to delete the files. If i try to do that, it freeze up as well. So i can only manually delete the new profiles.

Soluție aleasă

Thanks for the help. I have removed kaspersky antivirus and zonealarm pro firewall and installed kaspersky internet security and it works well. I think the latest patch of kaspersky antivirus 2013 (patch L) is causing a conflict with zonealarm pro.

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cor-el
cor-el
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Boot the computer in Windows Safe Mode with network support (press F8 on the boot screen) as a test.

dupp
dupp Deținătorul întrebării
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I tried what you suggested and it works fine with and without kaspersky antivirus and zonealarm. If i disable kaspersky in normal mode it works just fine, but if kaspersky is enabled i can only open firefox with firefox.exe -p. The weird part is firefox worked well before when i have kaspersky antivirus 2013 with zonealarm pro.

dupp
dupp Deținătorul întrebării
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Soluție aleasă

Thanks for the help. I have removed kaspersky antivirus and zonealarm pro firewall and installed kaspersky internet security and it works well. I think the latest patch of kaspersky antivirus 2013 (patch L) is causing a conflict with zonealarm pro.