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why are many websites not working since firefox upgrade?

Posted

Since my last Firefox upgrade (Mac 19.0.2), many websites that I rely on, that worked perfectly well in prior versions no longer work, either partially or fully (examples: Pandora, Apple Support, My Banking Site, Firefox Support--can't use the reply button, etc.). In some cases, the site won't load at all, but in many cases, simple functions like buttons just don't work. Whenever this happens I switch to Safari and everything works perfectly well. I have tried all the solutions offered in other parts of this support site (clearing cache, cookies, resetting, checking proxy settings, etc.), but none of this makes any difference. I like Firefox, but I'm so frustrated, I'm ready to give up on it.

Since my last Firefox upgrade (Mac 19.0.2), many websites that I rely on, that worked perfectly well in prior versions no longer work, either partially or fully (examples: Pandora, Apple Support, My Banking Site, Firefox Support--can't use the reply button, etc.). In some cases, the site won't load at all, but in many cases, simple functions like buttons just don't work. Whenever this happens I switch to Safari and everything works perfectly well. I have tried all the solutions offered in other parts of this support site (clearing cache, cookies, resetting, checking proxy settings, etc.), but none of this makes any difference. I like Firefox, but I'm so frustrated, I'm ready to give up on it.

Additional System Details

Installed Plug-ins

  • Shockwave Flash 11.6 r602
  • Displays Java applet content, or a placeholder if Java is not installed.
  • The QuickTime Plugin allows you to view a wide variety of multimedia content in web pages. For more information, visit the QuickTime Web site.
  • Plugin that detects installed Citrix Online products (visit www.citrixonline.com).
  • The Flip4Mac WMV Plugin allows you to view Windows Media content using QuickTime.
  • Microsoft Office for Mac SharePoint Browser Plug-in
  • 5.1.10411.0
  • RealPlayer Plugin

Application

  • Firefox 19.0.2
  • User Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.8; rv:19.0) Gecko/20100101 Firefox/19.0
  • Support URL: http://support.mozilla.org/1/firefox/19.0.2/Darwin/en-US/

Extensions

  • Apollo Bookmark/Tab/History Sync add-on 0.8.10 (ffsync@apollobrowser.com)
  • Autofill Forms 0.9.9.0 (autofillForms@blueimp.net)
  • DownloadHelper 4.9.14 ({b9db16a4-6edc-47ec-a1f4-b86292ed211d})
  • Firebug 1.11.2 (firebug@software.joehewitt.com)
  • GoogleTube 2.0.2 (googletube@googletube.com)
  • Troubleshooter 1.0a (troubleshooter@mozilla.org)
  • View Source Chart 3.05 ({68836a21-fc7d-4ea1-a065-7efabd99d414})
  • Adobe Acrobat - Create PDF 1.2 (web2pdfextension@web2pdf.adobedotcom) (Inactive)

Javascript

  • incrementalGCEnabled: True

Graphics

  • adapterDescription:
  • adapterDeviceID: 0x68b8
  • adapterDrivers:
  • adapterRAM:
  • adapterVendorID: 0x1002
  • driverDate:
  • driverVersion:
  • info: {u'AzureContentBackend': u'none', u'AzureCanvasBackend': u'quartz', u'AzureFallbackCanvasBackend': u'none'}
  • numAcceleratedWindows: 1
  • numTotalWindows: 1
  • webglRenderer: ATI Technologies Inc. -- ATI Radeon HD 5770 OpenGL Engine
  • windowLayerManagerType: OpenGL

Modified Preferences

  • accessibility.browsewithcaret: True
  • accessibility.typeaheadfind.flashBar: 0
  • browser.cache.disk.capacity: 1048576
  • browser.cache.disk.smart_size.enabled: False
  • browser.cache.disk.smart_size.first_run: False
  • browser.cache.disk.smart_size.use_old_max: False
  • browser.cache.disk.smart_size_cached_value: 1048576
  • browser.places.smartBookmarksVersion: 4
  • browser.sessionstore.restore_on_demand: False
  • browser.startup.homepage: http://www.facebook.com | http://osxdaily.com/
  • browser.startup.homepage_override.buildID: 20130307023931
  • browser.startup.homepage_override.mstone: 19.0.2
  • browser.tabs.loadInBackground: False
  • browser.tabs.warnOnClose: False
  • dom.disable_open_during_load: False
  • dom.mozApps.used: True
  • extensions.lastAppVersion: 19.0.2
  • gfx.blacklist.direct2d: 3
  • gfx.blacklist.layers.direct3d9: 3
  • gfx.blacklist.webgl.msaa: 4
  • network.cookie.prefsMigrated: True
  • places.database.lastMaintenance: 1363008447
  • places.history.expiration.transient_current_max_pages: 104858
  • plugin.disable_full_page_plugin_for_types: application/pdf
  • privacy.sanitize.migrateFx3Prefs: True
  • privacy.sanitize.timeSpan: 0
  • security.warn_viewing_mixed: False

Misc

  • User JS: No
  • Accessibility: No

Question owner

FOLLOW-UP: I thought I had done this already, but just disabled some add-ons and the problem seems to have cleared up. When I have a little more time, I'll test to see if I can determine which add-on was causing the problem. For now, it looks like all is good.

FOLLOW-UP: I thought I had done this already, but just disabled some add-ons and the problem seems to have cleared up. When I have a little more time, I'll test to see if I can determine which add-on was causing the problem. For now, it looks like all is good.