Join the AMA (Ask Me Anything) with the Firefox leadership team to celebrate Firefox 20th anniversary and discuss Firefox’s future on Mozilla Connect. Mark your calendar on Thursday, November 14, 18:00 - 20:00 UTC!

This site will have limited functionality while we undergo maintenance to improve your experience. If an article doesn't solve your issue and you want to ask a question, we have our support community waiting to help you at @FirefoxSupport on Twitter and/r/firefox on Reddit.

Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

My Firefox has been very slow or stops working for a period every since June.

  • 4 replies
  • 1 has this problem
  • 12 views
  • Last reply by Revan654

more options

Firefox has been very slow or stops working for a period every since June. Memory usage is over 500,000k. unchecked Hardware feature and reinstalled it. Still the same. Is something I can do?

Firefox has been very slow or stops working for a period every since June. Memory usage is over 500,000k. unchecked Hardware feature and reinstalled it. Still the same. Is something I can do?

All Replies (4)

more options

hello, that kind of memory usage is in a normal range and shouldn't be related to a slowness issue. could you go to the firefox menu ≡ > help ? > troubleshooting information, copy the contents of that page and paste them here into a reply on the forum? this might give us a clue what is going on...

more options

philipp said

hello, that kind of memory usage is in a normal range and shouldn't be related to a slowness issue. could you go to the firefox menu ≡ > help ? > troubleshooting information, copy the contents of that page and paste them here into a reply on the forum? this might give us a clue what is going on...

Application Basics


Name: Firefox Version: 38.0.5 Build ID: 20150525141253 Update Channel: release User Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:38.0) Gecko/20100101 Firefox/38.0 Multiprocess Windows: 0/1 (default: false)

Crash Reports for the Last 3 Days


All Crash Reports (including 1 pending crash in the given time range)

Extensions


Name: Adblock Plus Version: 2.6.9.1-signed Enabled: true ID: {d10d0bf8-f5b5-c8b4-a8b2-2b9879e08c5d}

Name: NoScript Version: 2.6.9.26 Enabled: true ID: {73a6fe31-595d-460b-a920-fcc0f8843232}

Name: Video DownloadHelper Version: 5.3.1.1-signed Enabled: true ID: {b9db16a4-6edc-47ec-a1f4-b86292ed211d}

Graphics


Adapter Description: AMD Radeon HD 6670 Adapter Drivers: aticfx64 aticfx64 aticfx64 aticfx32 aticfx32 aticfx32 atiumd64 atidxx64 atidxx64 atiumdag atidxx32 atidxx32 atiumdva atiumd6a atitmm64 Adapter RAM: 1024 Device ID: 0x6758 DirectWrite Enabled: false (6.2.9200.17292) Driver Date: 3-31-2015 Driver Version: 14.502.1014.0 GPU #2 Active: false GPU Accelerated Windows: 0/1 Basic (OMTC) Subsys ID: 00121028 Vendor ID: 0x1002 WebGL Renderer: Google Inc. -- ANGLE (AMD Radeon HD 6670 Direct3D11 vs_5_0 ps_5_0) windowLayerManagerRemote: true AzureCanvasBackend: skia AzureContentBackend: cairo AzureFallbackCanvasBackend: cairo AzureSkiaAccelerated: 0

Important Modified Preferences


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.frecency_experiment: 4 browser.download.folderList: 0 browser.download.importedFromSqlite: true browser.places.smartBookmarksVersion: 7 browser.sessionstore.upgradeBackup.latestBuildID: 20150525141253 browser.startup.homepage_override.buildID: 20150525141253 browser.startup.homepage_override.mstone: 38.0.5 dom.mozApps.used: true extensions.lastAppVersion: 38.0.5 font.internaluseonly.changed: false gfx.direct2d.disabled: true gfx.direct3d.last_used_feature_level_idx: 0 layers.acceleration.disabled: true media.gmp-eme-adobe.lastUpdate: 1433569392 media.gmp-eme-adobe.version: 10 media.gmp-gmpopenh264.lastUpdate: 1432012232 media.gmp-gmpopenh264.version: 1.4 media.gmp-manager.buildID: 20150525141253 media.gmp-manager.lastCheck: 1434150080 network.cookie.prefsMigrated: true network.predictor.cleaned-up: true places.database.lastMaintenance: 1434174503 places.history.expiration.transient_current_max_pages: 104858 plugin.disable_full_page_plugin_for_types: application/pdf plugin.importedState: true print.printer_HP_Officejet_Pro_8610.print_bgcolor: false print.printer_HP_Officejet_Pro_8610.print_bgimages: false print.printer_HP_Officejet_Pro_8610.print_colorspace: print.printer_HP_Officejet_Pro_8610.print_command: print.printer_HP_Officejet_Pro_8610.print_downloadfonts: false print.printer_HP_Officejet_Pro_8610.print_duplex: 1515870810 print.printer_HP_Officejet_Pro_8610.print_edge_bottom: 0 print.printer_HP_Officejet_Pro_8610.print_edge_left: 0 print.printer_HP_Officejet_Pro_8610.print_edge_right: 0 print.printer_HP_Officejet_Pro_8610.print_edge_top: 0 print.printer_HP_Officejet_Pro_8610.print_evenpages: true print.printer_HP_Officejet_Pro_8610.print_footercenter: print.printer_HP_Officejet_Pro_8610.print_footerleft: &PT print.printer_HP_Officejet_Pro_8610.print_footerright: &D print.printer_HP_Officejet_Pro_8610.print_headercenter: print.printer_HP_Officejet_Pro_8610.print_headerleft: &T print.printer_HP_Officejet_Pro_8610.print_headerright: &U print.printer_HP_Officejet_Pro_8610.print_in_color: true print.printer_HP_Officejet_Pro_8610.print_margin_bottom: 0.5 print.printer_HP_Officejet_Pro_8610.print_margin_left: 0.5 print.printer_HP_Officejet_Pro_8610.print_margin_right: 0.5 print.printer_HP_Officejet_Pro_8610.print_margin_top: 0.5 print.printer_HP_Officejet_Pro_8610.print_oddpages: true print.printer_HP_Officejet_Pro_8610.print_orientation: 0 print.printer_HP_Officejet_Pro_8610.print_page_delay: 50 print.printer_HP_Officejet_Pro_8610.print_paper_data: 1 print.printer_HP_Officejet_Pro_8610.print_paper_height: 11.00 print.printer_HP_Officejet_Pro_8610.print_paper_name: print.printer_HP_Officejet_Pro_8610.print_paper_size_type: 0 print.printer_HP_Officejet_Pro_8610.print_paper_size_unit: 0 print.printer_HP_Officejet_Pro_8610.print_paper_width: 8.50 print.printer_HP_Officejet_Pro_8610.print_plex_name: print.printer_HP_Officejet_Pro_8610.print_resolution: 1515870810 print.printer_HP_Officejet_Pro_8610.print_resolution_name: print.printer_HP_Officejet_Pro_8610.print_reversed: false print.printer_HP_Officejet_Pro_8610.print_scaling: 1.00 print.printer_HP_Officejet_Pro_8610.print_shrink_to_fit: true print.printer_HP_Officejet_Pro_8610.print_to_file: false print.printer_HP_Officejet_Pro_8610.print_unwriteable_margin_bottom: 0 print.printer_HP_Officejet_Pro_8610.print_unwriteable_margin_left: 0 print.printer_HP_Officejet_Pro_8610.print_unwriteable_margin_right: 0 print.printer_HP_Officejet_Pro_8610.print_unwriteable_margin_top: 0 privacy.cpd.offlineApps: true privacy.cpd.siteSettings: true privacy.sanitize.migrateFx3Prefs: true privacy.sanitize.timeSpan: 0 storage.vacuum.last.index: 1 storage.vacuum.last.places.sqlite: 1433657548

Important Locked Preferences


JavaScript


Incremental GC: true

Accessibility


Activated: false Prevent Accessibility: 0

Library Versions


NSPR Expected minimum version: 4.10.8 Version in use: 4.10.8

NSS Expected minimum version: 3.18.1 Basic ECC Version in use: 3.18.1 Basic ECC

NSSSMIME Expected minimum version: 3.18.1 Basic ECC Version in use: 3.18.1 Basic ECC

NSSSSL Expected minimum version: 3.18.1 Basic ECC Version in use: 3.18.1 Basic ECC

NSSUTIL Expected minimum version: 3.18.1 Version in use: 3.18.1

Experimental Features


more options

thank you. does updating flash and your other plugins make a difference?

more options

philipp said

thank you. does updating flash and your other plugins make a difference?

No, it still happening. I did update everything.