본 사이트는 여러분의 사용자 경험을 개선하기 위해 유지 보수를 진행하는 동안 기능이 제한됩니다. 도움말로 문제가 해결되지 않고 질문을 하고 싶다면 Twitter의 @FirefoxSupport 및 Reddit의 /r/firefox 채널을 활용하세요.

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Firefox will not connect to internet. My other browsers; Safari and IE both will connect but Firefox is my default! Any solutions?

dpc6950
dpc6950
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I get this error message when opening browser, "Could not initialize the application's security component. The most likely cause is problems with files in your application's profile directory. Please check that this directory has no read/write restrictions and your hard disk is not full or close to full. It is recommended that you exit the application and fix the problem. If you continue to use this session, you might see incorrect application behaviour when accessing security features."

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

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David McRitchie
David McRitchie
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Find you profile folder through about:support typed/pasted into the location bar, then click on "Open Containing Folder". That will bring you to your current profile,

  1. go up three directories to the "Mozilla" directory, then
  2. right-click on the "Firefox" directory to bring up properties.
  3. Click on the read-only box so that it is empty and untinted (hidden files should also be empty) and then click on "Apply".
  4. Accept message to "unset" read-only for folder, sub folders, and files.

That should fix any read-only problem with your profile(s) and profiles.ini file.

Read-only would get turned on if you restored files from read-only media such as CD-ROM. Use of XCOPY (on your system) invoked from the command window allows you to copy files without creating problems, as would using a USB drive.