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I keep getting this diologue box as I start up Firefox "Could not initialise the application's security component. The most probable cause is problems with files in your browser's profile directory. ... what should I do exactly?

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I keep getting the following dialogue box when I start Firefox " 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." I am not sure how to find or change the profile directory. I have gone to the Options: General: Save files to ...box but it wont allow me to browse to another file and the box remains blank. ideas please!

I keep getting the following dialogue box when I start Firefox " 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." I am not sure how to find or change the profile directory. I have gone to the Options: General: Save files to ...box but it wont allow me to browse to another file and the box remains blank. ideas please!

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Modified by cor-el