
J'ai certaines images qui ne charge pas forcément ou pas du tout lors de ma navigation sur Firefox, j'ai désactivé mes extensions mais pas de changement.
J'ai effectuée certains changement dans le about:config qui pourrait être en lien, mais je ne trouve pas de valeurs qui pourrait en être le cause.
Si quelqu'un peux m'aider à résoudre ce dysfonctionnement.
merci d'avance et bon dimanche

Ci-dessous mon fichier prefs.js :
Code : Tout sélectionner
// Mozilla User Preferences
// DO NOT EDIT THIS FILE.
//
// If you make changes to this file while the application is running,
// the changes will be overwritten when the application exits.
//
// To change a preference value, you can either:
// - modify it via the UI (e.g. via about:config in the browser); or
// - set it within a user.js file in your profile.
user_pref("accessibility.force_disabled", 1);
user_pref("accessibility.typeaheadfind.flashBar", 0);
user_pref("app.normandy.enabled", false);
user_pref("app.normandy.first_run", false);
user_pref("app.normandy.startupExperimentMigrated", true);
user_pref("app.normandy.user_id", "7ee90e85-6e75-47c7-8789-fe6df0edeb87");
user_pref("app.shield.optoutstudies.enabled", false);
user_pref("app.update.lastUpdateTime.addon-background-update-timer", 1562423566);
user_pref("app.update.lastUpdateTime.blocklist-background-update-timer", 1562483780);
user_pref("app.update.lastUpdateTime.browser-cleanup-thumbnails", 1562489577);
user_pref("app.update.lastUpdateTime.experiments-update-timer", 1530813654);
user_pref("app.update.lastUpdateTime.search-engine-update-timer", 1562478657);
user_pref("app.update.lastUpdateTime.services-settings-poll-changes", 1562484893);
user_pref("app.update.lastUpdateTime.telemetry_modules_ping", 1500097927);
user_pref("app.update.lastUpdateTime.xpi-signature-verification", 1562483900);
user_pref("beacon.enabled", false);
user_pref("browser.anchor_color", "#999999");
user_pref("browser.bookmarks.editDialog.confirmationHintShowCount", 3);
user_pref("browser.bookmarks.showMobileBookmarks", false);
user_pref("browser.cache.disk.capacity", 153600);
user_pref("browser.cache.disk.filesystem_reported", 1);
user_pref("browser.cache.disk.smart_size.first_run", false);
user_pref("browser.cache.disk.smart_size.use_old_max", false);
user_pref("browser.cache.frecency_experiment", 1);
user_pref("browser.cache.memory.enable", false);
user_pref("browser.cache.memory.max_entry_size", -1);
user_pref("browser.cache.offline.enable", false);
user_pref("browser.contentblocking.category", "custom");
user_pref("browser.contentblocking.introCount", 20);
user_pref("browser.ctrlTab.migrated", true);
user_pref("browser.display.background_color", "#ffffff");
user_pref("browser.display.document_color_use", 1);
user_pref("browser.display.foreground_color", "#666666");
user_pref("browser.download.autohideButton", false);
user_pref("browser.download.folderList", 2);
user_pref("browser.download.importedFromSqlite", true);
user_pref("browser.download.lastDir", "/home/charles/Bureau");
user_pref("browser.download.panel.shown", true);
user_pref("browser.download.save_converter_index", 0);
user_pref("browser.formfill.enable", false);
user_pref("browser.laterrun.bookkeeping.profileCreationTime", 1497039291);
user_pref("browser.laterrun.bookkeeping.sessionCount", 51);
user_pref("browser.migrated-sync-button", true);
user_pref("browser.migration.version", 80);
user_pref("browser.newtabpage.activity-stream.asrouter.userprefs.cfr.addons", false);
user_pref("browser.newtabpage.activity-stream.asrouter.userprefs.cfr.features", false);
user_pref("browser.newtabpage.activity-stream.feeds.section.highlights", false);
user_pref("browser.newtabpage.activity-stream.feeds.snippets", false);
user_pref("browser.newtabpage.activity-stream.feeds.telemetry", false);
user_pref("browser.newtabpage.activity-stream.impressionId", "{94efd74d-3032-4e7d-a6b8-9339844a7927}");
user_pref("browser.newtabpage.activity-stream.migrationExpired", true);
user_pref("browser.newtabpage.activity-stream.prerender", false);
user_pref("browser.newtabpage.activity-stream.section.highlights.includeDownloads", false);
user_pref("browser.newtabpage.activity-stream.section.highlights.includePocket", false);
user_pref("browser.newtabpage.activity-stream.section.highlights.includeVisited", false);
user_pref("browser.newtabpage.activity-stream.telemetry", false);
user_pref("browser.newtabpage.activity-stream.telemetry.ping.endpoint", "");
user_pref("browser.newtabpage.activity-stream.telemetry.structuredIngestion.endpoint", "");
user_pref("browser.newtabpage.activity-stream.topSitesRows", 4);
user_pref("browser.newtabpage.blocked", "{\"T9nJot5PurhJSy8n038xGA==\":1,\"K00ILysCaEq8+bEqV/3nuw==\":1,\"gLv0ja2RYVgxKdp0I5qwvA==\":1,\"eV8/WsSLxHadrTL1gAxhug==\":1}");
user_pref("browser.newtabpage.enhanced", true);
user_pref("browser.newtabpage.storageVersion", 1);
user_pref("browser.offline-apps.notify", false);
user_pref("browser.pageActions.persistedActions", "{\"version\":1,\"ids\":[\"bookmark\",\"bookmarkSeparator\",\"copyURL\",\"emailLink\",\"sendToDevice\",\"addSearchEngine\",\"screenshots_mozilla_org\",\"_c607c8df-14a7-4f28-894f-29e8722976af_\",\"pinTab\"],\"idsInUrlbar\":[\"_c607c8df-14a7-4f28-894f-29e8722976af_\",\"bookmark\"]}");
user_pref("browser.pagethumbnails.storage_version", 3);
user_pref("browser.ping-centre.telemetry", false);
user_pref("browser.places.smartBookmarksVersion", 8);
user_pref("browser.preferences.advanced.selectedTabIndex", 0);
user_pref("browser.reader.detectedFirstArticle", true);
user_pref("browser.rights.3.shown", true);
user_pref("browser.safebrowsing.allowOverride", false);
user_pref("browser.safebrowsing.blockedURIs.enabled", false);
user_pref("browser.safebrowsing.downloads.enabled", false);
user_pref("browser.safebrowsing.downloads.remote.block_dangerous", false);
user_pref("browser.safebrowsing.downloads.remote.block_dangerous_host", false);
user_pref("browser.safebrowsing.downloads.remote.block_potentially_unwanted", false);
user_pref("browser.safebrowsing.downloads.remote.block_uncommon", false);
user_pref("browser.safebrowsing.downloads.remote.enabled", false);
user_pref("browser.safebrowsing.downloads.remote.url", "");
user_pref("browser.safebrowsing.malware.enabled", false);
user_pref("browser.safebrowsing.phishing.enabled", false);
user_pref("browser.safebrowsing.provider.google.advisoryURL", "");
user_pref("browser.safebrowsing.provider.google.gethashURL", "");
user_pref("browser.safebrowsing.provider.google.reportMalwareMistakeURL", "");
user_pref("browser.safebrowsing.provider.google.reportPhishMistakeURL", "");
user_pref("browser.safebrowsing.provider.google.reportURL", "");
user_pref("browser.safebrowsing.provider.google.updateURL", "");
user_pref("browser.safebrowsing.provider.google4.advisoryURL", "");
user_pref("browser.safebrowsing.provider.google4.dataSharingURL", "");
user_pref("browser.safebrowsing.provider.google4.gethashURL", "");
user_pref("browser.safebrowsing.provider.google4.reportMalwareMistakeURL", "");
user_pref("browser.safebrowsing.provider.google4.reportPhishMistakeURL", "");
user_pref("browser.safebrowsing.provider.google4.reportURL", "");
user_pref("browser.safebrowsing.provider.google4.updateURL", "");
user_pref("browser.safebrowsing.provider.mozilla.lastupdatetime", "1497039296685");
user_pref("browser.safebrowsing.provider.mozilla.nextupdatetime", "1497042896685");
user_pref("browser.search.geoip.url", "");
user_pref("browser.search.suggest.enabled", false);
user_pref("browser.selfsupport.enabled", false);
user_pref("browser.sessionstore.upgradeBackup.latestBuildID", "20190620052532");
user_pref("browser.shell.didSkipDefaultBrowserCheckOnFirstRun", true);
user_pref("browser.shell.mostRecentDateSetAsDefault", "1562482559");
user_pref("browser.slowStartup.averageTime", 789);
user_pref("browser.slowStartup.samples", 3);
user_pref("browser.startup.homepage_override.buildID", "20190620052532");
user_pref("browser.startup.homepage_override.mstone", "67.0.4");
user_pref("browser.tabs.crashReporting.sendReport", false);
user_pref("browser.tabs.remote.autostart.2", true);
user_pref("browser.tabs.warnOnClose", false);
user_pref("browser.tabs.warnOnOpen", false);
user_pref("browser.underline_anchors", false);
user_pref("browser.urlbar.daysBeforeHidingSuggestionsPrompt", 1);
user_pref("browser.urlbar.lastSuggestionsPromptDate", 20170716);
user_pref("browser.urlbar.matchBuckets", "general:5,suggestion:Infinity");
user_pref("browser.urlbar.placeholderName", "Qwant");
user_pref("browser.urlbar.suggest.history", false);
user_pref("browser.urlbar.suggest.openpage", false);
user_pref("browser.visited_color", "#999999");
user_pref("datareporting.sessions.prunedIndex", 48);
user_pref("device.sensors.enabled", false);
user_pref("devtools.debugger.prefs-schema-version", "1.0.5");
user_pref("devtools.inspector.activeSidebar", "computedview");
user_pref("devtools.inspector.three-pane-first-run", false);
user_pref("devtools.onboarding.telemetry.logged", true);
user_pref("devtools.performance.recording.interval", 1000);
user_pref("devtools.telemetry.tools.opened.version", "{\"DEVTOOLS_SCREEN_RESOLUTION_ENUMERATED_PER_USER\":\"61.0.1\"}");
user_pref("devtools.toolbox.footer.height", 494);
user_pref("devtools.toolbox.tabsOrder", "inspector,webconsole,jsdebugger,styleeditor,performance,memory,netmonitor,storage");
user_pref("devtools.toolsidebar-height.inspector", 350);
user_pref("devtools.toolsidebar-width.inspector", 700);
user_pref("devtools.toolsidebar-width.inspector.splitsidebar", 350);
user_pref("distribution.canonical.bookmarksProcessed", true);
user_pref("distribution.iniFile.exists.appversion", "67.0.4");
user_pref("distribution.iniFile.exists.value", true);
user_pref("distribution.searchplugins.defaultLocale", "fr-fr");
user_pref("dom.battery.enabled", false);
user_pref("dom.gamepad.enabled", false);
user_pref("dom.ipc.plugins.flash.subprocess.crashreporter.enabled", false);
user_pref("dom.ipc.plugins.reportCrashURL", false);
user_pref("dom.ipc.processCount.web", 4);
user_pref("dom.ipc.reportProcessHangs", false);
user_pref("dom.push.userAgentID", "6ed047ad338b4d01bfb6c20d67417eb5");
user_pref("e10s.rollout.cohort", "addons-set50allmpc-multiBucket4");
user_pref("e10s.rollout.cohortSample", "0.263162");
user_pref("e10s.rollout.cohortSample.multi", "0.395682");
user_pref("experiments.activeExperiment", false);
user_pref("extensions.blocklist.lastModified", "Fri, 05 Jul 2019 14:30:46 GMT");
user_pref("extensions.blocklist.pingCountTotal", 332);
user_pref("extensions.blocklist.pingCountVersion", 14);
user_pref("extensions.databaseSchema", 31);
user_pref("extensions.e10s.rollout.blocklist", "");
user_pref("extensions.e10s.rollout.hasAddon", true);
user_pref("extensions.e10s.rollout.policy", "50allmpc");
user_pref("extensions.e10sBlockedByAddons", false);
user_pref("extensions.e10sMultiBlockedByAddons", true);
user_pref("extensions.followonsearch.cohortSample", "0.977445");
user_pref("extensions.getAddons.cache.lastUpdate", 1562423568);
user_pref("extensions.getAddons.databaseSchema", 5);
user_pref("extensions.hotfix.lastVersion", "20170302.01");
user_pref("extensions.incognito.migrated", true);
user_pref("extensions.lastAppBuildId", "20190620052532");
user_pref("extensions.lastAppVersion", "67.0.4");
user_pref("extensions.lastPlatformVersion", "67.0.4");
user_pref("extensions.pendingOperations", true);
user_pref("extensions.pocket.enabled", false);
user_pref("extensions.pocket.settings.test.panelSignUp", "v1");
user_pref("extensions.privatebrowsing.notification", true);
user_pref("extensions.signer.hotfixed", true);
user_pref("extensions.systemAddonSet", "{\"schema\":1,\"addons\":{}}");
user_pref("extensions.ublock0.cloudStorage.myFiltersPane", "");
user_pref("extensions.ublock0.cloudStorage.myRulesPane", "");
user_pref("extensions.ublock0.cloudStorage.tpFiltersPane", "");
user_pref("extensions.ublock0.cloudStorage.whitelistPane", "");
user_pref("extensions.ublock0.shortcuts.launch-element-picker", "");
user_pref("extensions.ublock0.shortcuts.launch-element-zapper", "");
user_pref("extensions.ublock0.shortcuts.launch-logger", "");
user_pref("extensions.ui.dictionary.hidden", true);
user_pref("extensions.ui.experiment.hidden", true);
user_pref("extensions.ui.lastCategory", "addons://list/extension");
user_pref("extensions.ui.locale.hidden", false);
user_pref("extensions.webcompat.perform_injections", true);
user_pref("extensions.webcompat.perform_ua_overrides", true);
user_pref("extensions.webextensions.ExtensionStorageIDB.migrated.@testpilot-containers", true);
user_pref("extensions.webextensions.ExtensionStorageIDB.migrated.screenshots@mozilla.org", true);
user_pref("extensions.webextensions.ExtensionStorageIDB.migrated.uBlock0@raymondhill.net", true);
user_pref("extensions.webextensions.ExtensionStorageIDB.migrated.uMatrix@raymondhill.net", true);
user_pref("extensions.webextensions.ExtensionStorageIDB.migrated.{73a6fe31-595d-460b-a920-fcc0f8843232}", true);
user_pref("extensions.webextensions.ExtensionStorageIDB.migrated.{7fc8ef53-24ec-4205-87a4-1e745953bb0d}", true);
user_pref("extensions.webextensions.ExtensionStorageIDB.migrated.{a6c4a591-f1b2-4f03-b3ff-767e5bedf4e7}", true);
user_pref("extensions.webextensions.ExtensionStorageIDB.migrated.{b9db16a4-6edc-47ec-a1f4-b86292ed211d}", true);
user_pref("extensions.webextensions.ExtensionStorageIDB.migrated.{c607c8df-14a7-4f28-894f-29e8722976af}", true);
user_pref("extensions.webextensions.userScripts.enabled", true);
user_pref("font.internaluseonly.changed", false);
user_pref("gecko.handlerService.migrated", true);
user_pref("gecko.handlerService.schemes.mailto.1.uriTemplate", "");
user_pref("general.autoScroll", true);
user_pref("general.warnOnAboutConfig", false);
user_pref("geo.enabled", false);
user_pref("geo.wifi.uri", "");
user_pref("idle.lastDailyNotification", 1562488877);
user_pref("intl.accept_languages", "fr, fr-fr");
user_pref("intl.hyphenation-alias.en", "fr-fr");
user_pref("intl.hyphenation-alias.en-*", "fr-fr");
user_pref("layout.css.report_errors", false);
user_pref("lightweightThemes.persisted.footerURL", false);
user_pref("lightweightThemes.persisted.headerURL", false);
user_pref("lightweightThemes.selectedThemeID", "firefox-compact-dark@mozilla.org");
user_pref("lightweightThemes.usedThemes", "[]");
user_pref("media.benchmark.vp9.fps", 76);
user_pref("media.benchmark.vp9.versioncheck", 5);
user_pref("media.gmp-gmpopenh264.abi", "x86_64-gcc3");
user_pref("media.gmp-gmpopenh264.lastUpdate", 1558631011);
user_pref("media.gmp-gmpopenh264.version", "1.8.1");
user_pref("media.gmp-manager.buildID", "20190620052532");
user_pref("media.gmp-manager.lastCheck", 1562475436);
user_pref("media.gmp.storage.version.observed", 1);
user_pref("media.peerconnection.enabled", false);
user_pref("media.peerconnection.ice.default_address_only", true);
user_pref("media.peerconnection.ice.no_host", true);
user_pref("media.webrtc.debug.log_file", "/tmp/WebRTC.log");
user_pref("network.IDN_show_punycode", true);
user_pref("network.cookie.cookieBehavior", 2);
user_pref("network.cookie.prefsMigrated", true);
user_pref("network.dns.disablePrefetch", true);
user_pref("network.http.referer.XOriginPolicy", 2);
user_pref("network.http.referer.XOriginTrimmingPolicy", 2);
user_pref("network.http.referer.trimmingPolicy", 2);
user_pref("network.http.speculative-parallel-limit", 0);
user_pref("network.predictor.cleaned-up", true);
user_pref("network.predictor.enabled", false);
user_pref("network.prefetch-next", false);
user_pref("network.warnOnAboutNetworking", false);
user_pref("offline-apps.allow_by_default", false);
user_pref("pdfjs.enabledCache.initialized", true);
user_pref("pdfjs.enabledCache.state", true);
user_pref("pdfjs.migrationVersion", 2);
user_pref("permissions.eventTelemetry.salt", "{573c217a-4c8d-4c01-9c61-cad9c93b6da5}");
user_pref("places.database.lastMaintenance", 1562401947);
user_pref("places.history.expiration.transient_current_max_pages", 165565);
user_pref("plugin.disable_full_page_plugin_for_types", "application/pdf");
user_pref("plugins.ctprollout.cohort", "user-changed-from-test");
user_pref("plugins.ctprollout.cohortSample", "0.620369");
user_pref("pref.general.disable_button.default_browser", false);
user_pref("pref.privacy.disable_button.cookie_exceptions", false);
user_pref("pref.privacy.disable_button.tracking_protection_exceptions", false);
user_pref("pref.privacy.disable_button.view_cookies", false);
user_pref("privacy.clearOnShutdown.cookies", false);
user_pref("privacy.clearOnShutdown.downloads", false);
user_pref("privacy.clearOnShutdown.history", false);
user_pref("privacy.clearOnShutdown.offlineApps", true);
user_pref("privacy.donottrackheader.enabled", true);
user_pref("privacy.firstparty.isolate", true);
user_pref("privacy.history.custom", true);
user_pref("privacy.sanitize.didShutdownSanitize", true);
user_pref("privacy.sanitize.pending", "[{\"id\":\"shutdown\",\"itemsToClear\":[\"cache\",\"offlineApps\",\"formdata\",\"sessions\"],\"options\":{}},{\"id\":\"newtab-container\",\"itemsToClear\":[],\"options\":{}}]");
user_pref("privacy.sanitize.sanitizeOnShutdown", true);
user_pref("privacy.spoof_english", 1);
user_pref("privacy.trackingprotection.cryptomining.enabled", true);
user_pref("privacy.trackingprotection.enabled", true);
user_pref("privacy.trackingprotection.fingerprinting.enabled", true);
user_pref("privacy.userContext.enabled", true);
user_pref("privacy.userContext.extension", "{c607c8df-14a7-4f28-894f-29e8722976af}");
user_pref("privacy.userContext.longPressBehavior", 2);
user_pref("privacy.userContext.ui.enabled", true);
user_pref("security.OCSP.enabled", 0);
user_pref("security.certerrors.recordEventTelemetry", false);
user_pref("security.disable_button.openCertManager", false);
user_pref("security.disable_button.openDeviceManager", false);
user_pref("security.identitypopup.recordEventElemetry", false);
user_pref("security.remote_settings.intermediates.checked", 1562485104);
user_pref("security.sandbox.content.tempDirSuffix", "6057d978-acdd-4041-8fa5-7e490e5c87af");
user_pref("security.sandbox.plugin.tempDirSuffix", "a7ac50e6-6b1e-4dc0-8ad3-fb6c8b5f664d");
user_pref("security.ssl.enable_ocsp_must_staple", false);
user_pref("security.ssl.enable_ocsp_stapling", false);
user_pref("security.ssl.errorReporting.enabled", false);
user_pref("security.ssl.errorReporting.url", "");
user_pref("services.blocklist.addons.checked", 1562485104);
user_pref("services.blocklist.clock_skew_seconds", 0);
user_pref("services.blocklist.gfx.checked", 1562485104);
user_pref("services.blocklist.last_etag", "\"1530716488758\"");
user_pref("services.blocklist.last_update_seconds", 1530813893);
user_pref("services.blocklist.onecrl.checked", 1562485104);
user_pref("services.blocklist.pinning.checked", 1562485104);
user_pref("services.blocklist.plugins.checked", 1562485104);
user_pref("services.settings.clock_skew_seconds", -212);
user_pref("services.settings.last_etag", "\"1562371215214\"");
user_pref("services.settings.last_update_seconds", 1562485104);
user_pref("services.settings.main.hijack-blocklists.last_check", 1562485104);
user_pref("services.settings.main.language-dictionaries.last_check", 1562485104);
user_pref("services.settings.main.onboarding.last_check", 1562485104);
user_pref("services.settings.main.sites-classification.last_check", 1562485104);
user_pref("services.settings.main.tippytop.last_check", 1562485104);
user_pref("services.settings.main.url-classifier-skip-urls.last_check", 1562485104);
user_pref("signon.importedFromSqlite", true);
user_pref("signon.rememberSignons", false);
user_pref("storage.vacuum.last.index", 1);
user_pref("storage.vacuum.last.places.sqlite", 1561742896);
user_pref("toolkit.startup.last_success", 1562482558);
user_pref("toolkit.tabbox.switchByScrolling", true);
user_pref("toolkit.telemetry.archive.enabled", false);
user_pref("toolkit.telemetry.bhrPing.enabled", false);
user_pref("toolkit.telemetry.cachedClientID", "3950bf26-165a-46ca-a68a-a7b201649668");
user_pref("toolkit.telemetry.firstShutdownPing.enabled", false);
user_pref("toolkit.telemetry.hybridContent.enabled", false);
user_pref("toolkit.telemetry.infoURL", "");
user_pref("toolkit.telemetry.newProfilePing.enabled", false);
user_pref("toolkit.telemetry.previousBuildID", "");
user_pref("toolkit.telemetry.reportingpolicy.firstRun", false);
user_pref("toolkit.telemetry.server", "");
user_pref("toolkit.telemetry.server_owner", "");
user_pref("toolkit.telemetry.shutdownPingSender.enabled", false);
user_pref("toolkit.telemetry.unified", false);
user_pref("toolkit.telemetry.updatePing.enabled", false);