Why doesn't firefox work after I download it?
Several days ago Firefox quit working.... I downloaded a new version, it does not work either. What's going on?
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there might be several of cause behind that . So, to get exact cause provide us details about it . Some of Docs will help you to collect the problems : [1] http://mzl.la/1BAQPY7 [2] http://mzl.la/16zLrEU
To get rid from virus of other wrong installable setups please download firefox from Firefox
You can check if you can start Firefox in Safe Mode by holding down the Shift/Options key.
- https://support.mozilla.org/kb/Troubleshooting+extensions+and+themes
- https://support.mozilla.org/kb/upgrade-graphics-drivers-use-hardware-acceleration
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.
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. If you are using a proxy, make sure those settings are correct. If there is no proxy, first use No Proxy. If there is a problem, then try System Proxy.