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All tile contents disappeared and built-in PDF viewer and password manager stopped working after the update to 34.0

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HI, After I updated to 34.0 on OSX 10.9.5 (thorough automatic update), I noticed that all the contents of the tile disappeared. Before the update, I saw many tiles when I opened a new tab. Even after some browsing, no contents appears (I can see only an array of blank tiles). I switched between enhanced, classic, blank. No effect.

Furthermore, built-in PDF viewer is not working. All the time I click the pdf link, I see the window to download the pdf file with the title "Enter name of file to save to...". Before the update, PDF viewer worked fine, no problem. After I noticed the problem, I checked Preferences -> applications, and confirmed that the action to the content type "Portable Document Format (PDF)" is set to "Preview in Firefox".

Moreover, built-in password manager also stopped working. It doesn't remember new password. It doesn't provide any already-remembered passwords on the site where it has automatically provided the account and password before the update. I checked Preferences -> Security ->Saved Passwords. There are many passwords remembered (remembered before the update).

I re-install the firefox manually. It doesn't help.

Can Anybody Help Me? Is there any information I can provide to sort out my problem?

Vybrané riešenie

You can check for problems with preferences.

Delete possible user.js and numbered prefs-##.js files and rename (or delete) the prefs.js file to reset all prefs to the default value including prefs set via user.js and prefs that are no longer supported in the current Firefox release.

You can use this button to go to the currently used Firefox profile folder:

  • Help > Troubleshooting Information > Profile Directory: Show Folder (Linux: Open Directory; Mac: Show in Finder)

Create a new profile as a test to check if your current profile is causing the problem.

See "Creating a profile":

If the new profile works then you can transfer files from a previously used profile to the new profile, but be cautious not to copy corrupted files to avoid carrying over problems.

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Vybrané riešenie

You can check for problems with preferences.

Delete possible user.js and numbered prefs-##.js files and rename (or delete) the prefs.js file to reset all prefs to the default value including prefs set via user.js and prefs that are no longer supported in the current Firefox release.

You can use this button to go to the currently used Firefox profile folder:

  • Help > Troubleshooting Information > Profile Directory: Show Folder (Linux: Open Directory; Mac: Show in Finder)

Create a new profile as a test to check if your current profile is causing the problem.

See "Creating a profile":

If the new profile works then you can transfer files from a previously used profile to the new profile, but be cautious not to copy corrupted files to avoid carrying over problems.

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Thanks a lot, cor-el!

As you suggested, a newly created profile works fine. So I transferred my files into the new profile in accordance with the link you provided. Thank you very much!