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firefox will not work

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internet explorer is working fine but firefox will not load any web pages, I am getting an alert message:

Could not initialise the application's security component. The most probable cause is problems with files in your browser's profile directory. Please check that this directory has no read/write restrictions and your hard drive is not full or close to full. It is recommended that you exit the browser and fix the problem. If you continue to use this browser session, you might see incorrect browser behaviour when accessing security features.

internet explorer is working fine but firefox will not load any web pages, I am getting an alert message: Could not initialise the application's security component. The most probable cause is problems with files in your browser's profile directory. Please check that this directory has no read/write restrictions and your hard drive is not full or close to full. It is recommended that you exit the browser and fix the problem. If you continue to use this browser session, you might see incorrect browser behaviour when accessing security features.

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Sounds like a Firewall or something that should be addressed there

but searching on the words in the message found a direct hit

Used US spelling to search, but Google probably would have found it either way.

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Sounds like a Firewall or something that should be addressed there

but searching on the words in the message found a direct hit

Used US spelling to search, but Google probably would have found it either way.

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The file cert8.db in the profile folder had become corrupted.

deleted it & restarted firefox all ok now

Thankyou

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Thanks for feedback and marking as solved. Never had that problem yet. Without exact wording of message, I would not have been able to answer it with or without a search. My search tips with the keyword shortcuts used in the location bar are at the bottom of this page: