Can not open extentions page.

What to do?

Hi,
Please check if this happens in [https://support.mozilla.com/en-US/kb/Safe%20Mode Safe Mode]. If the problem persists, please try deleting the '''extensions.*''' files in the [http://kb.mozillazine.org/Profile_folder Firefox Profile Folder]. You can also open the profiles folder via Firefox '''Help '''('''Alt '''+ '''H''') > '''Troubleshooting Information''' > '''Open Containing''' '''Folder'''.
[http://kb.mozillazine.org/Profile_folder_-_Firefox Firefox Profile Folder & Files]
[http://kb.mozillazine.org/Problematic_extensions Problematic Extensions]
[https://support.mozilla.com/en-US/kb/Troubleshooting%20extensions%20and%20themes Troubleshooting Extensions and Themes]
[http://support.mozilla.com/en-US/kb/Uninstalling+add-ons Uninstalling Add-ons]
[http://kb.mozillazine.org/Uninstalling_toolbars Uninstalling Toolbars]
Safe mode disables the installed '''Extensions''', and themes ('''Appearance''') in '''Tools''' ('''Alt''' + '''T''') > '''Add-ons'''. Hardware acceleration is also temporarily disabled - the manual setting is '''Tools''' > '''Options''' > '''Advanced''' > '''General''' > '''Use hardware acceleration when available'''. [https://support.mozilla.org/en-US/kb/Options%20window%20-%20Advanced%20panel?as=u Options > Advanced]. All these settings/add-ons can also be individually or collectively disabled/enabled/changed in Firefox normal mode to check if an extension, theme or hardware acceleration is causing issues.
[https://support.mozilla.org/en-US/kb/Options%20window Options]

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