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Why do I get the message, "This content is no longer available" when I open Firefox?

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  • 2 have this problem
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  • Last reply by cor-el

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I get the message "The content you requested cannot be displayed right now. It may be temporarily unavailable, the link you clicked on may have expired, or you may not have permission to view this page." This happens every time I open a Facebook or Mafia Wars page in Firefox. I've removed any corrupt cookies, etc., and done all that troubleshooting. I even disabled all my plugins, to no effect. I'm afraid it's some sort of virus.

Chosen solution

Did you clear the cache as well as this can be caused by having content in the cache that has been expired?

  • Firefox/Tools > Options > Advanced > Network > Cached Web Content: "Clear Now"

Are you using a bookmark to open these pages or does this also happen if you open the main page of those sites?


You can also check the home page setting:

  • Tools > Options > General > Startup: Home page

You can check for problems with the sessionstore.js and sessionstore.bak files in the Firefox profile folder that store session data in case pages are opened automatically when Firefox is started.

Rename (or delete) the sessionstore.js file and possible sessionstore-##.js files with a number and sessionstore.bak in the Firefox profile folder.

Deleting sessionstore.js will cause App Tabs and Tab Groups and open and closed (undo) tabs to get lost and you will have to recreate them (make a note or bookmark them if possible).


You can check the target line in the Firefox desktop shortcut (right-click: Properties) to make sure that nothing is appended after the path to the Firefox program.

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Chosen Solution

Did you clear the cache as well as this can be caused by having content in the cache that has been expired?

  • Firefox/Tools > Options > Advanced > Network > Cached Web Content: "Clear Now"

Are you using a bookmark to open these pages or does this also happen if you open the main page of those sites?


You can also check the home page setting:

  • Tools > Options > General > Startup: Home page

You can check for problems with the sessionstore.js and sessionstore.bak files in the Firefox profile folder that store session data in case pages are opened automatically when Firefox is started.

Rename (or delete) the sessionstore.js file and possible sessionstore-##.js files with a number and sessionstore.bak in the Firefox profile folder.

Deleting sessionstore.js will cause App Tabs and Tab Groups and open and closed (undo) tabs to get lost and you will have to recreate them (make a note or bookmark them if possible).


You can check the target line in the Firefox desktop shortcut (right-click: Properties) to make sure that nothing is appended after the path to the Firefox program.