I-Firefox Community Forum

I have an issue where the following operations with the "new" profile manager don't work: - setting up a new profile (about:newprofile in the new profile is just blank) (a new profile gets created though) - deleting a profile (about:newprofile is just blank) - editing any profile that is not the original profile (about:editprofile is just blank) (works with the original profile) - the select profile interface from the account or menu button is blank when opening it from any profile that is not the original profile

What works tho is calling about:profilemanager from any profile. From there any profile can be selected and switched to.

I'm using the Bazzite (Linux distro that is Fedora based). I'm fairly new to Linux so that could be a issue, the problem was there from the get-go though and since Firefox was preinstalled I don't believe I could've messed up much.

Firefox version is 147.0.4 Bazzite version is 43.20260211.0 (Kinoite)

Reboot doesn't fix these issues. Uninstalled Firefox with deleting user data, installed it again and same behavior appears again.

I also tried installing a Firefox fork (Waterfox). It had the same issues.

I would appreciate any help and would be willing to share more detailed date if it helps somebody help me.

The attached screenshots mostly show the UI that is not working as expected.

i re-installed my windows, installed firefox, and it automatically re-synced everything, a few days later, windows had an issue so i had to install windows again, but this time, when i installed firefox, i logged in, and after finishing syncing nothing was there, everything is gone, that being said, it's only form the desktop browser, i still have all my bookmarks and passwords on my phone's firefox, but they wont sync into the desktop one i cant find an option to export the phone ones into a file to import in the desktop app, i need help

This problem has been covered in this forum before. However, the various solutions have not worked for me because it seems my backup previous.jsonlz4 was corrupted. I did exit Firefox normally, but I am not sure because I have been using multiple different browsers in recent months.

This is what happened this morning: my Firefox on Mac OSX was closed normally, and I rebooted the MacBook. Afterwards, I could not restore old tabs because "Recently Closed Tabs" and "Recently Closed Windows" are greyed out.

I tried copying recovery.jsonlz4 from the last folder and putting it into the main folder as sessionstore.jsonlz4, then reopening Firefox. Still have no restored tabs. Here was the surprise, which I do not know how to interpret.

I just checked some files and found this error message in sessionrestore-logs folder:

1770888233416 SessionStore ERROR SessionSaver write() rejected with error: Error: SessionFile is closed(resource:///modules/sessionstore/SessionFile.sys.mjs:424:29) JS Stack trace: write@SessionFile.sys.mjs:424:29 write@SessionFile.sys.mjs:47:32 _writeState@SessionSaver.sys.mjs:375:29 _saveState@SessionSaver.sys.mjs:308:17 _saveStateAsync@SessionSaver.sys.mjs:354:10 saveStateAsyncWhenIdle@SessionSaver.sys.mjs:194:14 requestIdleCallback/<@Timer.sys.mjs:180:15 observe@AsyncShutdown.sys.mjs:570:17

Hi!

I don't understand. Firefox is eating up memory again in the latest versions, and on top of that, it's the GPU on my PC.

4GB for the app and up to 8GB.

Are you mining Bitcoin on my machine?

What are you doing?

Hi, my PC had some hardware problem and al its data was wiped as procedure, so i had to install everything from zero, this includes Firefox, and when i did so i did the same as usual, download it, open it and log in to sync my data, but there seems to be a problem, all my data is gone, it says its synced and i try to sync it many times, no bookmarks, no extensions, no passwords, nothing, this is my only account too. tried to look up solutions online and saw people talk about 'old Firefox data' folder that can appear on the desktop but nothing for me, tried to go to about:profiles and see what profiles i had and switch to see if its in any or if the folder appears but still nothing, i don't seem to find a solution, i only got the PC back at the end of December last year, and its as far as i can see my Firefox activity here, but I've always used this account and I've synced in multiple PC's with no problem i don't understand what is happening now. thank you

When on Amazon Prime web player, I get "Video Unavailable

We're experiencing a problem playing this video. For assistance, please go to ...videohelp." no error code When on Crunchyroll, I get "Oops. something went wrong. Try again" and error code: SHAK 6007

I am on the last public update to Windows 10 Home. I have checked that DRM is on. I have restarted Firefox, and used troubleshooting mode to verify it isn't an add-on issue. Hardware acceleration is off. Cache has been cleaned, and I have even refreshed firefox. Router and PC have been restarted. Graphic drivers have been updated. Also, videos play in Brave.

Troubleshooting Information below: Application Basics

Name: Firefox Version: 147.0.3 Build ID: 20260203002554 Distribution ID: Update Channel: release User Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:147.0) Gecko/20100101 Firefox/147.0 OS: Windows_NT 10.0 19045 Launcher Process: Enabled Multiprocess Windows: 2/2 Fission Windows: 2/2 Enabled by default Remote Processes: 28 Enterprise Policies: Inactive Google Location Service Key: Found Google Safebrowsing Key: Found Mozilla Location Service Key: Found Safe Mode: false Memory Size (RAM): 31.9 GB Disk Space Available: 2,724 GB Pointing Devices: Mouse

Crash Reports for the Last 3 Days

Remote Features

Remote Processes

Type: Isolated Web Content Count: 14

Type: Extension Count: 1

Type: Isolated Service Worker Count: 1

Type: RDD Count: 1

Type: Preallocated Count: 3

Type: Socket Count: 1

Type: Privileged About Count: 1

Type: GPU Count: 1

Type: Unknown Count: 1

Type: Utility Windows Media Foundation Count: 1

Type: Utility JavaScript Oracle Count: 1

Type: Utility Generic Audio Decoder Count: 1

Type: Utility Media Foundation Engine Count: 1

Add-ons

Name: Add-ons Search Detection Type: extension Version: 3.0.0 Enabled: true Location: app-builtin-addons ID: addons-search-detection@mozilla.com

Name: Data Leak Blocker Type: extension Version: 144.0.0 Enabled: true Location: app-builtin-addons ID: data-leak-blocker@mozilla.com

Name: Form Autofill Type: extension Version: 1.0.1 Enabled: true Location: app-builtin-addons ID: formautofill@mozilla.org

Name: IPP Activator Type: extension Version: 0.1 Enabled: true Location: app-builtin-addons ID: ipp-activator@mozilla.com

Name: New Tab Type: extension Version: 147.1.0 Enabled: true Location: app-builtin-addons ID: newtab@mozilla.org

Name: Picture-In-Picture Type: extension Version: 1.0.0 Enabled: true Location: app-builtin-addons ID: pictureinpicture@mozilla.org

Name: Return YouTube Dislike Type: extension Version: 3.0.0.18 Enabled: true Location: app-profile ID: {762f9885-5a13-4abd-9c77-433dcd38b8fd}

Name: uBlock Origin Type: extension Version: 1.69.0 Enabled: true Location: app-profile ID: uBlock0@raymondhill.net

Name: User-Agent Switcher Type: extension Version: 1.4.98 Enabled: true Location: app-profile ID: user-agent-switcher@ninetailed.ninja

Name: Web Compatibility Interventions Type: extension Version: 149.7.20260211.154938 Enabled: true Location: app-system-addons ID: webcompat@mozilla.org

Name: System theme — auto Type: theme Version: 1.4.2 Enabled: true Location: app-builtin ID: default-theme@mozilla.org

Name: Firefox Color Type: extension Version: 2.1.7 Enabled: false Location: app-profile ID: FirefoxColor@mozilla.com

Name: Greasemonkey Type: extension Version: 4.13 Enabled: false Location: app-profile ID: {e4a8a97b-f2ed-450b-b12d-ee082ba24781}

Name: Old Layout for Facebook Type: extension Version: 7.1 Enabled: false Location: app-profile ID: {8792af17-0df8-40ab-81d3-6cc777171564}

Name: Dark Type: theme Version: 1.3.4 Enabled: false Location: app-builtin ID: firefox-compact-dark@mozilla.org

Name: Firefox Alpenglow Type: theme Version: 1.5.1 Enabled: false Location: app-builtin ID: firefox-alpenglow@mozilla.org

Name: Light Type: theme Version: 1.3.4 Enabled: false Location: app-builtin ID: firefox-compact-light@mozilla.org

Name: Lush – Soft Type: theme Version: 2.1 Enabled: false Location: app-profile ID: lush-soft-colorway@mozilla.org

Security Software

Type: Malwarebytes

Type:

Type: Windows Firewall

Legacy User Stylesheets

Active: false Stylesheets: No stylesheets found

Graphics

Features Window Device Pixel Ratios: 1,1 Compositing: WebRender (Software) Font Visibility Debug Info: Windows Platform Asynchronous Pan/Zoom: wheel input enabled; scrollbar drag enabled; keyboard enabled; autoscroll enabled; smooth pinch-zoom enabled WebGL 1 Driver WSI Info: outOfProcess: false inProcess: true EGL_VENDOR: Google Inc. 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C:\Windows\System32\DriverStore\FileRepository\nv_dispi.inf_amd64_adc55ecfca814224\nvldumdx.dll,C:\Windows\System32\DriverStore\FileRepository\nv_dispi.inf_amd64_adc55ecfca814224\nvldumdx.dll,C:\Windows\System32\DriverStore\FileRepository\nv_dispi.inf_amd64_adc55ecfca814224\nvldumdx.dll,C:\Windows\System32\DriverStore\FileRepository\nv_dispi.inf_amd64_adc55ecfca814224\nvldumdx.dll C:\Windows\System32\DriverStore\FileRepository\nv_dispi.inf_amd64_adc55ecfca814224\nvldumd.dll,C:\Windows\System32\DriverStore\FileRepository\nv_dispi.inf_amd64_adc55ecfca814224\nvldumd.dll,C:\Windows\System32\DriverStore\FileRepository\nv_dispi.inf_amd64_adc55ecfca814224\nvldumd.dll,C:\Windows\System32\DriverStore\FileRepository\nv_dispi.inf_amd64_adc55ecfca814224\nvldumd.dll Subsys ID: 88021043 RAM: 12288 GPU #2 Active: No RAM: 0 Diagnostics AzureCanvasBackend: skia AzureCanvasBackend (UI Process): skia AzureContentBackend: skia AzureContentBackend (UI Process): skia AzureFallbackCanvasBackend (UI Process): skia CMSOutputProfile: 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Display0: 2560x1440@170Hz scales:1.000000|1.000000 Display1: 3840x2160@30Hz scales:1.000000|2.000000 DisplayCount: 2 HardwareStretching: both=1 window-only=0 full-screen-only=1 none=0 error=0 GPUProcessPid: 4192 ClearType Parameters: \\.\DISPLAY6 [ Gamma: 1.8 Pixel Structure: RGB ClearType Level: 100 Enhanced Contrast: 50 ] \\.\DISPLAY7 [ Gamma: 1.8 Pixel Structure: RGB ClearType Level: 100 Enhanced Contrast: 50 ] Font Visibility Debug Info: Windows Platform Decision Log HW_COMPOSITING: default: available, user: disabled, Disabled by layers.acceleration.disabled=true, Blocklisted; failure code FEATURE_FAILURE_COMP_PREF D3D11_COMPOSITING: default: unavailable, Hardware compositing is disabled, Blocklisted; failure code FEATURE_FAILURE_D3D11_NEED_HWCOMP D3D11_HW_ANGLE: default: unavailable, D3D11 compositing is disabled, Blocklisted; failure code FEATURE_FAILURE_HW_ANGLE_D3D11_DISABLED env: disabled, D3D11 compositing is disabled, Blocklisted; failure code FEATURE_FAILURE_HW_ANGLE_D3D11_DISABLED GPU_PROCESS: default: available, WEBRENDER: default: available, runtime: unavailable-no-hw-compositing, Hardware compositing is disabled, Blocklisted; failure code FEATURE_FAILURE_WEBRENDER_NEED_HWCOMP WEBRENDER_COMPOSITOR: default: available, runtime: unavailable, No DirectComposition usage, Blocklisted; failure code FEATURE_FAILURE_DCOMP_NOT_ANGLE WEBRENDER_PARTIAL: default: available, WEBRENDER_SHADER_CACHE: default: available, runtime: unavailable, WebRender disabled, Blocklisted; failure code FEATURE_FAILURE_WR_DISABLED WEBRENDER_OPTIMIZED_SHADERS: default: available, runtime: unavailable, WebRender disabled, Blocklisted; failure code FEATURE_FAILURE_WR_DISABLED WEBRENDER_ANGLE: default: available, runtime: unavailable-no-angle, ANGLE is disabled, Blocklisted; failure code FEATURE_FAILURE_HW_ANGLE_D3D11_DISABLED WEBRENDER_DCOMP_PRESENT: default: available, env: blocklisted, Blocklisted by gfxInfo, Blocklisted; failure code NVIDIA_REFRESH_RATE_MIXED runtime: unavailable, Requires ANGLE, Blocklisted; failure code FEATURE_FAILURE_DCOMP_NOT_ANGLE WEBRENDER_SCISSORED_CACHE_CLEARS: default: available, WEBGPU: default: available, WINDOW_OCCLUSION: default: available, HARDWARE_VIDEO_DECODING: default: available, runtime: unavailable, Requires texture sharing, Blocklisted; failure code FEATURE_FAILURE_BROKEN_TEXTURE_SHARING HARDWARE_VIDEO_ENCODING: default: available, runtime: unavailable, Requires texture sharing, Blocklisted; failure code FEATURE_FAILURE_BROKEN_TEXTURE_SHARING REUSE_DECODER_DEVICE: default: available, BACKDROP_FILTER: default: available, CANVAS_RENDERER_THREAD: default: available, ACCELERATED_CANVAS2D: default: available, env: blocked, Disabled by Software WebRender, Blocklisted; failure code FEATURE_FAILURE_DISABLED_BY_SOFTWARE_WEBRENDER WMF_HW_DRM: default: available, GL_NORM16_TEXTURES: default: available, WEBGPU_EXTERNAL_TEXTURE: default: available, Failure Log (#0): GP+[GFX1-]: CompositorDevice does not exist

Media

Audio Backend: wasapi Max Channels: 2 Preferred Sample Rate: 48000 Roundtrip latency (standard deviation): ... Codec Support Information: Codec Name: Software Decoding, Hardware Decoding, Software Encoding, Hardware Encoding H264: Supported, Unsupported, Unsupported, Unsupported VP9: Supported, Unsupported, Unsupported, Unsupported VP8: Supported, Unsupported, Unsupported, Unsupported AV1: Supported, Unsupported, Unsupported, Unsupported HEVC: Unsupported, Unsupported, Unsupported, Unsupported AAC: Supported, Unsupported, Unsupported, Unsupported MP3: Supported, Unsupported, Unsupported, Unsupported Opus: Supported, Unsupported, Unsupported, Unsupported Vorbis: Supported, Unsupported, Unsupported, Unsupported FLAC: Supported, Unsupported, Unsupported, Unsupported Wave: Supported, Unsupported, Unsupported, Unsupported Output Devices Name: Group, Vendor, State, Preferred, Format, Channels, Rate, Latency Realtek Digital Output (Realtek(R) Audio): HDAUDIO\FUNC_01&VEN_10EC&DEV_0B00&SUBSYS_1462EC84&REV_1000\5&15d1e8ca&0&0001, Enabled, All, default: F32LE, support: S16LE F32LE, 2, default: 48000, support: 48000 - 48000, 144 - 480 Speakers (Realtek(R) Audio): HDAUDIO\FUNC_01&VEN_10EC&DEV_0B00&SUBSYS_1462EC84&REV_1000\5&15d1e8ca&0&0001, Unplugged, None, default: F32LE, support: S16LE F32LE, 2, default: 48000, support: 48000 - 48000, 0 - 0 XV272U V (NVIDIA High Definition Audio): HDAUDIO\FUNC_01&VEN_10DE&DEV_009A&SUBSYS_10438802&REV_1001\5&23f153b2&0&0001, Enabled, None, default: F32LE, support: S16LE F32LE, 2, default: 48000, support: 48000 - 48000, 144 - 480 Realtek HD Audio 2nd output (Realtek(R) Audio): HDAUDIO\FUNC_01&VEN_10EC&DEV_0B00&SUBSYS_1462EC84&REV_1000\5&15d1e8ca&0&0001, Unplugged, None, default: F32LE, support: S16LE F32LE, 2, default: 48000, support: 48000 - 48000, 0 - 0 SAMSUNG (NVIDIA High Definition Audio): HDAUDIO\FUNC_01&VEN_10DE&DEV_009A&SUBSYS_10438802&REV_1001\5&23f153b2&0&0001, Enabled, None, default: F32LE, support: S16LE F32LE, 2, default: 48000, support: 48000 - 48000, 144 - 480 Input Devices Name: Group, Vendor, State, Preferred, Format, Channels, Rate, Latency Microphone (Realtek(R) Audio): HDAUDIO\FUNC_01&VEN_10EC&DEV_0B00&SUBSYS_1462EC84&REV_1000\5&15d1e8ca&0&0001, Unplugged, None, default: F32LE, support: S16LE F32LE, 2, default: 48000, support: 48000 - 48000, 0 - 0 Line In (Realtek(R) Audio): HDAUDIO\FUNC_01&VEN_10EC&DEV_0B00&SUBSYS_1462EC84&REV_1000\5&15d1e8ca&0&0001, Unplugged, None, default: F32LE, support: S16LE F32LE, 2, default: 48000, support: 48000 - 48000, 0 - 0 Stereo Mix (Realtek(R) Audio): HDAUDIO\FUNC_01&VEN_10EC&DEV_0B00&SUBSYS_1462EC84&REV_1000\5&15d1e8ca&0&0001, Disabled, None, default: F32LE, support: S16LE F32LE, 2, default: 48000, support: 48000 - 48000, 0 - 0 Content Decryption Modules Information Key System Name: Video Robustness, Audio Robustness, Capabilities, Clear Lead org.w3.clearkey: {"persistent":"Optional","distinctive":"NotAllowed","sessionType":"[Temporary]","codec":{"decodingAndDecrypting":["h264(all)"],"decryptingOnly":["aac(all)","flac(all)","opus(all)","vp9(all)","av1(all)","vorbis(all)","vp8(all)"]}}, No com.widevine.alpha: SW_SECURE_CRYPTO,SW_SECURE_DECODE, SW_SECURE_CRYPTO, {"persistent":"Optional","distinctive":"NotAllowed","sessionType":"[Temporary]","codec":{"decodingAndDecrypting":["h264(all)","vp9(all)","av1(all)","vp8(all)"],"decryptingOnly":["aac(all)","flac(all)","opus(all)","vorbis(all)"]}}, Yes com.microsoft.playready.recommendation: {"persistent":"Required","distinctive":"Required","sessionType":"[]","codec":{"decodingAndDecrypting":[]}}, No com.microsoft.playready.recommendation.3000: 3000, 2000, {"persistent":"Required","distinctive":"Required","sessionType":"[Temporary,PersistentLicense]","codec":{"decodingAndDecrypting":["h264(cenc/cbcs)","aac(cenc)"]}}, No com.microsoft.playready.recommendation.3000.clearlead: 3000, 2000, {"persistent":"Required","distinctive":"Required","sessionType":"[Temporary,PersistentLicense]","codec":{"decodingAndDecrypting":["h264(cenc/cbcs)","aac(cenc)"]}}, Yes

Environment Variables

MOZ_CRASHREPORTER_DATA_DIRECTORY: C:\Users\thoma\AppData\Roaming\Mozilla\Firefox\Crash Reports MOZ_CRASHREPORTER_EVENTS_DIRECTORY: C:\Users\thoma\AppData\Roaming\Mozilla\Firefox\Profiles\8ckzpi10.default-release-1771240822780\crashes\events MOZ_CRASHREPORTER_PING_DIRECTORY: C:\Users\thoma\AppData\Roaming\Mozilla\Firefox\Pending Pings

Remote Settings

Status: OK

Status: 2026-02-16T15:07:40.000Z

Status: "1771253834022"

Status: Status Date Infos successMon Feb 16 2026 08:57:14 GMT-0600 (Central Standard Time){}successMon Feb 16 2026 06:36:30 GMT-0600 (Central Standard Time){}successMon Feb 16 2026 02:30:45 GMT-0600 (Central Standard Time){} Date: success Infos: Mon Feb 16 2026 08:57:14 GMT-0600 (Central Standard Time) {} success Mon Feb 16 2026 06:36:30 GMT-0600 (Central Standard Time) {} success Mon Feb 16 2026 02:30:45 GMT-0600 (Central Standard Time) {}

Status: success Date: Mon Feb 16 2026 08:57:14 GMT-0600 (Central Standard Time) Infos: {}

Status: success Date: Mon Feb 16 2026 06:36:30 GMT-0600 (Central Standard Time) Infos: {}

Status: success Date: Mon Feb 16 2026 02:30:45 GMT-0600 (Central Standard Time) Infos: {}

Remote Experiments

Important Modified Preferences

accessibility.blockautorefresh: true browser.contentblocking.category: standard browser.search.region: US browser.search.update: false browser.sessionstore.upgradeBackup.latestBuildID: 20260203002554 browser.startup.homepage_override.buildID: 20260203002554 browser.startup.homepage_override.mstone: 147.0.3 browser.startup.page: 3 browser.urlbar.lastUrlbarSearchSeconds: 1771242356 browser.urlbar.placeholderName: Google browser.urlbar.quicksuggest.migrationVersion: 6 browser.urlbar.showSearchSuggestionsFirst: false browser.urlbar.suggest.searches: false doh-rollout.doneFirstRun: true doh-rollout.home-region: US doh-rollout.mode: 2 doh-rollout.self-enabled: true doh-rollout.uri: https://mozilla.cloudflare-dns.com/dns-query dom.forms.autocomplete.formautofill: true extensions.lastAppVersion: 147.0.3 general.autoScroll: false idle.lastDailyNotification: 1771248666 layers.acceleration.disabled: true media.gmp-gmpopenh264.abi: x86_64-msvc-x64 media.gmp-gmpopenh264.hashValue: 77991110c1d195616e936d27151d02e4d957be6c20a4f3b3511567868b5ddffc6abbfdc668d17672f5d681f12b20237c7905f9b0daaa6d71dcdac4b3 media.gmp-gmpopenh264.lastDownload: 1771240869 media.gmp-gmpopenh264.lastInstallStart: 1771240869 media.gmp-gmpopenh264.lastUpdate: 1771240869 media.gmp-gmpopenh264.version: 2.6.0 media.gmp-manager.buildID: 20260203002554 media.gmp-manager.lastCheck: 1771241310 media.gmp-manager.lastEmptyCheck: 1771241310 media.gmp-widevinecdm.abi: x86_64-msvc-x64 media.gmp-widevinecdm.hashValue: 7b07d200b5a5dfa88e22cc293be9f9fe0f26e3b927ca0222958c08db650590907bba852083562577b49f58edae676594ba4a1d8163bf07f102311a77 media.gmp-widevinecdm.lastDownload: 1771240869 media.gmp-widevinecdm.lastInstallStart: 1771240869 media.gmp-widevinecdm.lastUpdate: 1771240869 media.gmp-widevinecdm.version: 4.10.2934.0 media.gmp.storage.version.observed: 1 media.hardware-video-decoding.failed: false media.videocontrols.picture-in-picture.video-toggle.first-seen-secs: 1771241045 network.cookie.CHIPS.lastMigrateDatabase: 2 network.dns.disablePrefetch: true network.http.speculative-parallel-limit: 0 network.prefetch-next: false places.database.lastMaintenance: 1771248667 privacy.bounceTrackingProtection.hasMigratedUserActivationData: true privacy.clearOnShutdown_v2.formdata: true privacy.purge_trackers.date_in_cookie_database: 0 privacy.purge_trackers.last_purge: 1771248666476 privacy.sanitize.clearOnShutdown.hasMigratedToNewPrefs3: true privacy.sanitize.pending: [{"id":"newtab-container","itemsToClear":[],"options":{}}] privacy.trackingprotection.allow_list.hasMigratedCategoryPrefs: true services.sync.declinedEngines: services.sync.engine.addresses: true services.sync.engine.addresses.available: true services.sync.engine.creditcards: true services.sync.engine.prefs.modified: false services.sync.lastPing: 1771240863 services.sync.lastSync: Mon Feb 16 2026 09:06:54 GMT-0600 (Central Standard Time) storage.vacuum.last.index: 0 storage.vacuum.last.places.sqlite: 1771248666 ui.osk.debug.keyboardDisplayReason: IKPOS: Touch screen not found.

Important Locked Preferences

extensions.formautofill.creditCards.os-auth.locked.enabled: false fission.autostart.session: true media.utility-process.enabled: true signon.management.page.os-auth.locked.enabled: false

Places Database

Accessibility

Activated: false Prevent Accessibility: 0 Accessibility Instantiator:

Library Versions

NSPR Expected minimum version: 4.38.2 Version in use: 4.38.2

NSS Expected minimum version: 3.119 Version in use: 3.119

NSSSMIME Expected minimum version: 3.119 Version in use: 3.119

NSSSSL Expected minimum version: 3.119 Version in use: 3.119

NSSUTIL Expected minimum version: 3.119 Version in use: 3.119

Sandbox

Content Process Sandbox Level: 9 Effective Content Process Sandbox Level: 9 Win32k Lockdown State for Content Process: Win32k Lockdown enabled -- default value is true GPU Process Sandbox Level: 2

Startup Cache

Disk Cache Path: C:\Users\thoma\AppData\Local\Mozilla\Firefox\Profiles\8ckzpi10.default-release-1771240822780\startupCache\startupCache.8.little Ignore Disk Cache: false Found Disk Cache on Init: true Wrote to Disk Cache: true

Internationalization & Localization

Application Settings Requested Locales: ["en-US"] Available Locales: ["en-US"] App Locales: ["en-US"] Regional Preferences: ["en-US"] Default Locale: "en-US" Operating System System Locales: ["en-US"] Regional Preferences: ["en-US"]

Remote Debugging (Chromium Protocol)

Accepting Connections: false URL:

Printing

Modified print settings

Content Analysis (DLP)

Active: false Connected to Agent: Agent Path: Agent Failed Signature Verification: Request Count:

I'm hosting a server locally on my desktop, and created an etc/hosts entry to assign it a URL so that I could use TLS certificates. The URL is `docs.user.localhost` and firefox will not load the page. However, as soon as I change the etc/hosts entry to `docs.user.localsite` or just `docs.user`, everything loads correctly. Is there a setting I need to toggle to allow for loading sites with reserved local TLD's? I've been going through a couple suggested by various sites, but there either already set correctly or don't fix the issue.

i do use ad blockers "experiencing problems find out why "well,of course lol. I know this ,but when i shut down the browser & re launch the browser it won't initiate/execute. not matter what I do. I then run the DISM script and she (firefox) fires back up again. Any insight or work around to fix this this nagging problem would be greatly appreciated. Yeah, windows 11, 32 gig of ram, 60 mps down 75 up.

Hello everyone,

I’m experiencing ongoing problems with Firefox and hope to get some help or clarification here.

Main issue: I’m unable to sign in to my Outlook / Microsoft email account using Firefox. The login page does not load correctly, or the sign-in simply fails (Error 400). When I use another browser (for example Microsoft Edge), the login works without any issues.

System information:

Operating System: Windows 10 IoT Enterprise 2021 (LTSC, supported until 2032)

Firefox version: 147.0.3 (64-Bit)

Additional problems: Besides the Outlook login issue, Firefox has recently become more problematic during normal daily use:

Text selection with the mouse often does not work correctly

Clicking and dragging to highlight text is unreliable or stops working

Pages sometimes feel unresponsive, (ChatGPT)

Overall, the browser feels less stable than older Versions on Windows 10 22H2

These issues seem to be getting more frequent over time and occur on multiple websites, not just Outlook.

I switched my system to Windows 10 IoT Enterprise 2021 (LTSC, supported until 2032) in the hope of improved performance and stability.

What I have already tried:

Clearing cache and cookies

Disabling all add-ons/extensions

Testing in Private Browsing mode

Restarting Firefox

Unfortunately, none of these steps resolved the problems permanently.

My questions:

Is Firefox fully supported on Windows 10 IoT Enterprise 2021 / LTSC for the long term (until 2032)?

Are there known issues with Microsoft / Outlook sign-in specifically in Firefox?

Are there known stability issues (text selection, mouse interaction, page responsiveness) in recent Firefox versions?

What settings or troubleshooting steps are recommended to improve stability?

Thank you very much for your time and support.

Best regards, Marco Klecker

Whenever I try to full screen a Youtube video a large solid white bar will appear on the bottom of my screen. It doesn't block the actual video or even the controls but it seems to push the entire video upwards. It only does this on firefox and only on youtube. It seems to be a solid empty space as I can't click on it and right clicking just gives me video playing options. I've tried restarting my computer and firefox a few times and that didn't work. It does however change size and with the browser zoom and color mode respectively. please help.

I recently went to settings to make sure my default browser on my Windows 11 device was Foxfire. I think I also saw an option to move all tabs over from other browsers, but instead of adding these to my current ones on foxfire, I think it just replace all of the ones I had as they are not in my history any longer either. I went to the 3 lines, to settings, to general, made sure all was checked properly, but it did not help bring the others back!!! help

Recent (Windows?) update signed me out of Firefox. Logged in again, but bookmarks aren't showing up. Bookmarks are marked for sync-ing, and I did try sync-ing twice. Maybe I have to sign back in on the original device?

Starting about a week or two ago, I noticed the text of Firefox is grainy. But when the cursor moved, it would get grainy in a different way. So, some letters which were previously unreadable became readable, but other letters became unreadable.

Going to the same web pages with other browsers renders the page readable. So, the problem seems to be Firefox specific.

Even while typing this, portions of the characters on my screen blink in and out.

If there is no solution, I will have to utilize some other browser.

Thank you,

Environment - OS: Omarchy - File manager: Nautilus (running as --gapplication-service) - Desktop portals: xdg-desktop-portal + xdg-desktop-portal-hyprland (+ gtk fallback) Firefox: latest stable from Arch repositories

Observations Only one Firefox process is running (pgrep -a firefox). Only one Nautilus process is running, but it receives two open requests, resulting in two windows. The issue does not occur in Chromium/Chrome, which opens only one window. Running xdg-open <file> manually opens one Nautilus window.

Portal logs show GTK being chosen as last-resort fallback, but system-wide XDG configuration appears correct.

Question

Is this a known Wayland/portal bug in Firefox? Are there recommended debugging flags or patches to trace the duplicate launch request?

firefox on mac seems entirely broken.

in about:profiles I see 1 profile (with custom name). after restart the profile is still there, but all settings lost( Passwords, links, addons )

the same as happened before: I restarted the computer for update. than there were multiple profiles in about data. i got cunfused an in the end i deleted firefox entirely and reinstalled.

I want youtube to go back to the list of websites on the url drop down menu. I'm annoyed that Heroforge replaced it after only two visits to the website and I don't know why it even did that.