I have installed Firefox 18.1 in Windows XP SP3 and after installation I am not able to browse any http sites, I can only browse https sites.
I do not have any addons or plugins installed.
What could be the reason for this and how can I resolve this?
Any help is highly appreciable.
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A possible cause is security software (firewall,anti-virus) that blocks or restricts Firefox or the plugin-container process without informing you, possibly after detecting changes (update) to the Firefox program.
Remove all rules for Firefox and the plugin-container from the permissions list in the firewall and let your firewall ask again for permission to get full unrestricted access to internet for Firefox and the plugin-container process and the updater process.
cor-el Thanks for the reply.
I was having firefox installed on my PC, I did a upgrade and since then I am having this issue of not able to access http sites.
Firewall is turned off though.