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Why is the latest version of Firefox 33.0.2 using 100% of my CPU?

Kuphostiwe

Just like the last update to Thunderbird, with no changes on my system, the latest version of Firefox uses 100% of my CPU where it didn't before. I've run every test, disabled my anti-virus, run in safe mode and it makes no difference.

Since there was no useful answers when I posted about the TB problem, I doubt there will be any here.

Sorry Mozilla, but you're about to lose my support. I already moved away from Thunderbird. Now that FF has the same problem, I'm about to switch my browser to Chrome, even though it is not as good.

Just like the last update to Thunderbird, with no changes on my system, the latest version of Firefox uses 100% of my CPU where it didn't before. I've run every test, disabled my anti-virus, run in safe mode and it makes no difference. Since there was no useful answers when I posted about the TB problem, I doubt there will be any here. Sorry Mozilla, but you're about to lose my support. I already moved away from Thunderbird. Now that FF has the same problem, I'm about to switch my browser to Chrome, even though it is not as good.

Eminye Imininingwane Yohlelo

Fakela amapulagi

  • The QuickTime Plugin allows you to view a wide variety of multimedia content in Web pages. For more information, visit the QuickTime Web site.
  • Shockwave Flash 15.0 r0
  • Google Update
  • Next Generation Java Plug-in 10.71.2 for Mozilla browsers
  • NPRuntime Script Plug-in Library for Java(TM) Deploy
  • Coupons, Inc. Coupon Printer 5.0.2.2
  • Adobe PDF Plug-In For Firefox and Netscape 11.0.8
  • Citrix Online App Detector Plugin
  • VLC media player Web Plugin 2.1.3
  • 5.1.30514.0
  • iTunes Detector Plug-in
  • DivX Plus Web Player version 2.2.2.14
  • DivX VOD Helper Plug-in
  • Office Live Update v1.5
  • NPWLPG
  • Windows Presentation Foundation (WPF) plug-in for Mozilla browsers
  • DRM Netscape Network Object
  • Npdsplay dll
  • DRM Store Netscape Plugin

Isisebenziso

  • Firefox 33.0.2
  • Umsebenzisi oyi-ejenti: Mozilla/5.0 (Windows NT 5.1; rv:33.0) Gecko/20100101 Firefox/33.0
  • I-URL Yokweseka: https://support.mozilla.org/1/firefox/33.0.2/WINNT/en-US/

Izandiso

  • Adblock Plus 2.6.5 ({d10d0bf8-f5b5-c8b4-a8b2-2b9879e08c5d})
  • Flashblock 1.5.17 ({3d7eb24f-2740-49df-8937-200b1cc08f8a})
  • Free Memory 0.95 (jid1-n85lxPv1NAWVTQ@jetpack)
  • LastPass 3.1.1 (support@lastpass.com)
  • Lazarus: Form Recovery 2.3 (lazarus@interclue.com)
  • NoScript 2.6.9.3 ({73a6fe31-595d-460b-a920-fcc0f8843232})
  • Social Fixer 11.2 (socialfixer@mattkruse.com)
  • Troubleshooter 1.1a (troubleshooter@mozilla.org)
  • DivX Plus Web Player HTML5 <video> 2.1.2.172 ({23fcfd51-4958-4f00-80a3-ae97e717ed8b}) (Akusebenzi)
  • Ghostery 5.4.1 (firefox@ghostery.com) (Akusebenzi)
  • Microsoft .NET Framework Assistant 0.0.0 ({20a82645-c095-46ed-80e3-08825760534b}) (Akusebenzi)
  • Skype Click to Call 6.13.0.13771 ({82AF8DCA-6DE9-405D-BD5E-43525BDAD38A}) (Akusebenzi)

I-Javascript

  • incrementalGCEnabled: True

Imidwebo

  • adapterDescription: RADEON X300 Series
  • adapterDescription2:
  • adapterDeviceID: 0x5b60
  • adapterDeviceID2:
  • adapterDrivers: ati2dvag
  • adapterDrivers2:
  • adapterRAM: Unknown
  • adapterRAM2:
  • adapterVendorID: 0x1002
  • adapterVendorID2:
  • direct2DEnabled: False
  • direct2DEnabledMessage: [u'tryNewerDriver', u'9.6']
  • directWriteEnabled: False
  • directWriteVersion: 0.0.0.0
  • driverDate: 8-25-2004
  • driverDate2:
  • driverVersion: 6.14.10.6476
  • driverVersion2:
  • info: {u'AzureCanvasBackend': u'skia', u'AzureFallbackCanvasBackend': u'cairo', u'AzureContentBackend': u'cairo', u'AzureSkiaAccelerated': 0}
  • isGPU2Active: False
  • numAcceleratedWindows: 0
  • numAcceleratedWindowsMessage: [u'tryNewerDriver', u'9.6']
  • numTotalWindows: 1
  • webglRendererMessage: [u'tryNewerDriver', u'9.6']
  • windowLayerManagerRemote: True
  • windowLayerManagerType: Basic

Okuthandwayo Okulungisiwe

  • accessibility.typeaheadfind: True
  • accessibility.typeaheadfind.flashBar: 0
  • browser.cache.disk.capacity: 358400
  • browser.cache.disk.smart_size.first_run: False
  • browser.cache.disk.smart_size.use_old_max: False
  • browser.cache.disk.smart_size_cached_value: 358400
  • browser.cache.frecency_experiment: 1
  • browser.places.smartBookmarksVersion: 7
  • browser.search.useDBForOrder: True
  • browser.sessionstore.upgradeBackup.latestBuildID: 20141027150301
  • browser.startup.homepage: www.cnn.com
  • browser.startup.homepage_override.buildID: 20141027150301
  • browser.startup.homepage_override.mstone: 33.0.2
  • browser.tabs.drawInTitlebar: False
  • browser.tabs.loadInBackground: False
  • browser.tabs.onTop: False
  • dom.disable_open_during_load: False
  • dom.mozApps.used: True
  • extensions.lastAppVersion: 33.0.2
  • font.internaluseonly.changed: True
  • gfx.direct2d.disabled: True
  • layers.acceleration.disabled: True
  • media.gmp-gmpopenh264.lastUpdate: 1413395130
  • media.gmp-gmpopenh264.version: 1.1
  • media.gmp-manager.lastCheck: 1414891518
  • network.cookie.prefsMigrated: True
  • places.database.lastMaintenance: 1414873214
  • places.history.expiration.transient_current_max_pages: 53638
  • plugin.disable_full_page_plugin_for_types: application/pdf
  • plugin.importedState: True
  • plugin.state.java: 2
  • privacy.clearOnShutdown.cookies: False
  • privacy.clearOnShutdown.downloads: False
  • privacy.clearOnShutdown.formdata: False
  • privacy.clearOnShutdown.history: False
  • privacy.clearOnShutdown.sessions: False
  • privacy.cpd.offlineApps: True
  • privacy.cpd.siteSettings: True
  • privacy.sanitize.migrateFx3Prefs: True
  • privacy.sanitize.sanitizeOnShutdown: True
  • privacy.sanitize.timeSpan: 0
  • storage.vacuum.last.index: 0
  • storage.vacuum.last.places.sqlite: 1414897350

Misc

  • Umsebenzisi JS: Yebo
  • Ukufinyeleleka: Cha
Muhammad_Faizan 8 izisombululo 86 izimpendulo
Kuphostiwe

Hello DrStrange You can try to disable hardware acceleration in Firefox.

   Tools > Options > Advanced > General > Browsing: "Use hardware acceleration when available" 

You need to close and restart Firefox after toggling this setting.

   https://support.mozilla.org/kb/Troubleshooting+extensions+and+themes
   https://support.mozilla.org/kb/upgrade-graphics-drivers-use-hardware-acceleration
Hello DrStrange You can try to disable hardware acceleration in Firefox. Tools > Options > Advanced > General > Browsing: "Use hardware acceleration when available" You need to close and restart Firefox after toggling this setting. https://support.mozilla.org/kb/Troubleshooting+extensions+and+themes https://support.mozilla.org/kb/upgrade-graphics-drivers-use-hardware-acceleration

Umnikazi wombuzo

I already have hardware acceleration in FF unchecked, so that doesn't help.

I already have hardware acceleration in FF unchecked, so that doesn't help.
cor-el
  • Top 10 Contributor
  • Moderator
17519 izisombululo 158412 izimpendulo
Kuphostiwe

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.

Create a new profile as a test to check if your current profile is causing the problem. See "Creating a profile": *https://support.mozilla.org/kb/profile-manager-create-and-remove-firefox-profiles *http://kb.mozillazine.org/Standard_diagnostic_-_Firefox#Profile_issues 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. *http://kb.mozillazine.org/Transferring_data_to_a_new_profile_-_Firefox
Wayne Mery
  • Top 25 Contributor
  • Moderator
590 izisombululo 5571 izimpendulo
Kuphostiwe
  1. 1 install flashblock addon
  2. 2 see https://developer.mozilla.org/en-US/docs/Mozilla/Performance/Profiling_with_the_Built-in_Profiler and post the URL of a short profile
#1 install flashblock addon #2 see https://developer.mozilla.org/en-US/docs/Mozilla/Performance/Profiling_with_the_Built-in_Profiler and post the URL of a short profile