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After upgrading, Firefox opens but will not function.
My OS is Vista Ultimate (64-bit). My firewall is Norton360.
After automatically upgrading yesterday, my firefox no longer functions/works. I get a firefox screen that is partially enabled, but am not able to open any websites, etc.
All Replies (5)
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Curtis Parfitt-Ford Mozilla Support
There are two possible issues.
Some problems occurs when your Internet security program was set to trust the previous version of Firefox, but no longer recognizes your updated version as trusted. Now how to fix the problem: To allow Firefox to connect to the Internet again;
- Make sure your Internet security software is up-to-date (i.e. you are running the latest version).
- Remove Firefox from your program's list of trusted or recognized programs. For detailed instructions, see
Type about:preferences#advanced<Enter> in the address bar.
Under Advanced, Select Network. Look for Configure How Firefox Connects and press the Settings button. Check the settings.
What should the setting be set at?
You can check if you can start Firefox in Safe Mode by holding down the Shift/Options key.
It is possible that your security software (firewall, anti-virus) 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 install for Firefox and the plugin-container process and the updater process.