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She denied permission to install helper at first, but that caused firefox to be dysfunctional. Retrying the install and giving permission to install the helper did not correct the problem. Her laptop is pretty much down for the count on this problem - firefox does not come up. Endless spinning beachball.

Is a work-around available?

It seems there is some conflict between the firefox helper and her VPN, private internet access (PIA) adding the login background task. She's. been using PIA for years.

I would try removing and re-installing firefox as a work-around but that would destroy the her bookmarks she relies on.

Thanks, Jerry

I am tired of this bullshit.

So i was using the beta branch of the firefox and beta version stopped working with a site for some time. so i tried to come back to the stable version.

After i do that and fix my config. In every couple of hours there would be a notification window pop up with sound saying this

"firefox this profile was last used with a newer version of this application. Please create a new profile"

So i did create a new profile BUT i copy pasted my own configuration.UI stuff from my old settings from "About:config"

This notification STILL comes up FFS what do i need to do then?

HOW COME MY UI CONFIGURATION TRIGGERS THE DAMN NOTIFICATION?

I will not re-do my fckng UI configuration by hand.

As the subject says and the issue being there seems to be no info regarding what "helper" is being installed !

I'm on macOS Big Sur and the update does not finish if admin password is not given...

So, what helper is it ?

Did I miss something (quite possible although I made several attempts) ?

Thanks in advance!

Recently my AdBlocker extension in Firefox was disabled. At first I thought it was just a bug, but after I closed and restarted Firefox, it was still disabled, installing various other ad blocking extensions was thwarted by Firefox claiming these extensions are corrupt! I tried other approaches, including installing from github and from third party extension library; all are stopped by Firefox. I checked Firefox update, it claims that the latest version I can upgrade to is v127 (I'm using v126), so I think it's not due to Firefox not up to date. I spent a lot of time figuring these out, most pointing to Firefox banning Chinese users from using ad blocking extensions. After all these frustrations, I updated Firefox to v127, thinking updating to the latest version won't hurt, and these extensions are still disabled, installing ad blocking extension is still not successful. But somehow I checked whether I'm using the latest version, and BAM, I can now upgrade to v136. After the update, all these problems were solved. IF ONLY Firefox can provide some useful info of why my extension is now disabled, and why installing extensions are not successful, it would save me a lot of time and trouble. You dumb lazy people!

Apologies, I have to write this on mobile because among other pages Firefox will not open for me now, THIS IS ONE OF THEM. Google is a black square (opens fine in chrome). So are multiple other pages. I can open new tabs, but clicking on them to actually navigate to them does nothing. Has anyone else had this problem???? I don't want to go back to chrome but Firefox is completely unusable right now.

[The documentation](https://support.mozilla.org/en-US/kb/profiles-where-thunderbird-stores-user-data#w_finding-your-profile-without-opening-thunderbird) says that my profile should be at `home/[user]/.thunderbird`. It is not there.

In settings the "Open Directory" button does nothing (cursor spins and then nothing happens).

In `about:profiles` I see the profile listed at `/home/[user]/.thunderbird/[XXX]`. That folder does not exist (so far as I can tell (I have hidden files turned on). The _Local Directory_ version _does_ exist (`/home/[user]/.var/app/org.mozilla.Thunderbird/cache/thunderbird/[XXX]`)

What's going on? Am I doing something wrong?

---

about:profiles

 Application Basics

   Name: Thunderbird
   Version: 128.8.1esr
   Build ID: 20250317192722
   Distribution ID: thunderbird-flatpak

   Update Channel: esr
   User Agent: Mozilla/5.0 (X11; Linux x86_64; rv:128.0) Gecko/20100101 Thunderbird/128.8.1
   OS: Linux 6.11.0-19-generic #19~24.04.1-Ubuntu SMP PREEMPT_DYNAMIC Mon Feb 17 11:51:52 UTC 2
   OS Theme: Yaru-dark / Yaru

   Multiprocess Windows: 0/0
   Fission Windows: 0/0
             Enabled by default
   Remote Processes: 1
   Enterprise Policies: Inactive
   Google Location Service Key: Missing
   Google Safebrowsing Key: Missing
   Mozilla Location Service Key: Missing
   Safe Mode: false
   Memory Size (RAM): 31.1 GB
   Disk Space Available: 709 GB

 Mail and News Accounts
   account1:
     INCOMING: account1, , (imap) outlook.office365.com:993, SSL, OAuth2
     OUTGOING: , smtp.office365.com:587, alwaysSTARTTLS, OAuth2, true

   account2:
     INCOMING: account2, , (none) Local Folders, plain, passwordCleartext

 Libraries

     Library
     Status
     Expected minimum version
     Version in use
     Path

       RNP (OpenPGP)
       OK
       0.17.1
       0.17.1.MZLA.128.8.1esr.botan
       /app/lib/thunderbird/librnp.so

       OTR
       Failed to load. OTR chat encryption will not work.
       -
       -
       -

 Calendar Settings

   Home

     Name
     Value

     Name:
     Type: storage
     Disabled: true
     Username:
     URI:
     Refresh Interval:
     Read-only:
     Suppress Alarms:
     Cache Enabled:
     iMIP Identity: id1
     iMIP Disabled:
     iMIP Account:
     Organiser Id:
     Force Email Scheduling:
     Popup Alarms Supported:
     Alarms on Invitation Supported:
     Max Alarms Per Event:
     Attachment Supported:
     Max Categories:
     Privacy State Supported:
     Priority Supported: true
     Event Supported:
     Task Supported:
     Local Time Supported:
     UTC/GMT Supported:
     Auto-Scheduling Supported:

 Crash Reports for the Last 3 Days

 Remote Processes

   Type: Count

   Isolated Web Content: 1

 Add-ons

     Name
     Type
     Version
     Enabled
     ID

       Language: English (GB)
       locale
       128.8.20250317.192722
       true
       langpack-en-GB@thunderbird.mozilla.org

       Language: English (US)
       locale
       128.8.20250317.192722
       true
       langpack-en-US@thunderbird.mozilla.org

       System theme — auto
       theme
       1.3
       true
       default-theme@mozilla.org

       Dark
       theme
       1.3
       false
       thunderbird-compact-dark@mozilla.org

       Light
       theme
       1.3
       false
       thunderbird-compact-light@mozilla.org

 Security Software

   Type: Name

     Antivirus:
     Antispyware:
     Firewall:

 Legacy User Stylesheets

   Active: false
   Stylesheets: No stylesheets found

 Graphics

     Features
     Compositing: WebRender
     Font Visibility Debug Info: Linux Unknown - ID=org.fr
     Asynchronous Pan/Zoom: wheel input enabled; scrollbar drag enabled; keyboard enabled; autoscroll enabled; smooth pinch-zoom enabled
     WebGL 1 Driver WSI Info: outOfProcess: false

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     WebGL 1 Driver Renderer: Intel -- Mesa Intel(R) Graphics (RPL-S)
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GL_KHR_blend_equation_advanced_coherent GL_KHR_context_flush_control GL_KHR_robust_buffer_access_behavior GL_ARB_ES3_2_compatibility GL_ARB_fragment_shader_interlock GL_ARB_gpu_shader_int64 GL_ARB_parallel_shader_compile GL_ARB_post_depth_coverage GL_ARB_shader_atomic_counter_ops GL_ARB_shader_ballot GL_ARB_shader_clock GL_ARB_shader_viewport_layer_array GL_EXT_shader_samples_identical GL_EXT_texture_sRGB_R8 GL_KHR_no_error GL_KHR_texture_compression_astc_sliced_3d GL_NV_fragment_shader_interlock GL_ARB_gl_spirv GL_ARB_spirv_extensions GL_MESA_shader_integer_functions GL_ARB_polygon_offset_clamp GL_ARB_texture_filter_anisotropic GL_EXT_memory_object GL_EXT_memory_object_fd GL_EXT_semaphore GL_EXT_semaphore_fd GL_KHR_parallel_shader_compile GL_NV_alpha_to_coverage_dither_control GL_EXT_EGL_image_storage GL_EXT_shader_framebuffer_fetch_non_coherent GL_EXT_texture_shadow_lod GL_INTEL_blackhole_render GL_INTEL_shader_atomic_float_minmax GL_INTEL_shader_integer_functions2 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     WebGL 1 Extensions: ANGLE_instanced_arrays EXT_blend_minmax EXT_color_buffer_half_float EXT_float_blend EXT_frag_depth EXT_shader_texture_lod EXT_sRGB EXT_texture_compression_bptc EXT_texture_compression_rgtc EXT_texture_filter_anisotropic MOZ_debug OES_element_index_uint OES_fbo_render_mipmap OES_standard_derivatives OES_texture_float OES_texture_float_linear OES_texture_half_float OES_texture_half_float_linear OES_vertex_array_object WEBGL_color_buffer_float WEBGL_compressed_texture_astc WEBGL_compressed_texture_etc WEBGL_compressed_texture_s3tc WEBGL_compressed_texture_s3tc_srgb WEBGL_debug_renderer_info WEBGL_debug_shaders WEBGL_depth_texture WEBGL_draw_buffers WEBGL_lose_context
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     WebGL 2 Driver Renderer: Intel -- Mesa Intel(R) Graphics (RPL-S)
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GL_ARB_cull_distance GL_ARB_debug_output GL_ARB_depth_buffer_float GL_ARB_depth_clamp GL_ARB_derivative_control GL_ARB_direct_state_access GL_ARB_draw_buffers GL_ARB_draw_buffers_blend GL_ARB_draw_elements_base_vertex GL_ARB_draw_indirect GL_ARB_draw_instanced GL_ARB_enhanced_layouts GL_ARB_explicit_attrib_location GL_ARB_explicit_uniform_location GL_ARB_fragment_coord_conventions GL_ARB_fragment_layer_viewport GL_ARB_fragment_shader GL_ARB_fragment_shader_interlock GL_ARB_framebuffer_no_attachments GL_ARB_framebuffer_object GL_ARB_framebuffer_sRGB GL_ARB_get_program_binary GL_ARB_get_texture_sub_image GL_ARB_gl_spirv GL_ARB_gpu_shader5 GL_ARB_gpu_shader_fp64 GL_ARB_gpu_shader_int64 GL_ARB_half_float_pixel GL_ARB_half_float_vertex GL_ARB_indirect_parameters GL_ARB_instanced_arrays GL_ARB_internalformat_query GL_ARB_internalformat_query2 GL_ARB_invalidate_subdata GL_ARB_map_buffer_alignment GL_ARB_map_buffer_range GL_ARB_multi_bind GL_ARB_multi_draw_indirect GL_ARB_occlusion_query2 GL_ARB_parallel_shader_compile GL_ARB_pipeline_statistics_query GL_ARB_pixel_buffer_object GL_ARB_point_sprite GL_ARB_polygon_offset_clamp GL_ARB_post_depth_coverage GL_ARB_program_interface_query GL_ARB_provoking_vertex GL_ARB_query_buffer_object GL_ARB_robust_buffer_access_behavior GL_ARB_robustness GL_ARB_sample_shading GL_ARB_sampler_objects GL_ARB_seamless_cube_map GL_ARB_seamless_cubemap_per_texture GL_ARB_separate_shader_objects GL_ARB_shader_atomic_counter_ops GL_ARB_shader_atomic_counters GL_ARB_shader_ballot GL_ARB_shader_bit_encoding GL_ARB_shader_clock GL_ARB_shader_draw_parameters GL_ARB_shader_group_vote GL_ARB_shader_image_load_store GL_ARB_shader_image_size GL_ARB_shader_objects GL_ARB_shader_precision GL_ARB_shader_stencil_export GL_ARB_shader_storage_buffer_object GL_ARB_shader_subroutine GL_ARB_shader_texture_image_samples GL_ARB_shader_texture_lod GL_ARB_shader_viewport_layer_array GL_ARB_shading_language_420pack GL_ARB_shading_language_include GL_ARB_shading_language_packing GL_ARB_spirv_extensions GL_ARB_stencil_texturing GL_ARB_sync GL_ARB_tessellation_shader GL_ARB_texture_barrier GL_ARB_texture_border_clamp GL_ARB_texture_buffer_object GL_ARB_texture_buffer_object_rgb32 GL_ARB_texture_buffer_range GL_ARB_texture_compression_bptc GL_ARB_texture_compression_rgtc GL_ARB_texture_cube_map_array GL_ARB_texture_filter_anisotropic GL_ARB_texture_float GL_ARB_texture_gather GL_ARB_texture_mirror_clamp_to_edge GL_ARB_texture_multisample GL_ARB_texture_non_power_of_two GL_ARB_texture_query_levels GL_ARB_texture_query_lod GL_ARB_texture_rectangle GL_ARB_texture_rg GL_ARB_texture_rgb10_a2ui GL_ARB_texture_stencil8 GL_ARB_texture_storage GL_ARB_texture_storage_multisample GL_ARB_texture_swizzle GL_ARB_texture_view GL_ARB_timer_query GL_ARB_transform_feedback2 GL_ARB_transform_feedback3 GL_ARB_transform_feedback_instanced GL_ARB_transform_feedback_overflow_query GL_ARB_uniform_buffer_object GL_ARB_vertex_array_bgra GL_ARB_vertex_array_object GL_ARB_vertex_attrib_64bit GL_ARB_vertex_attrib_binding GL_ARB_vertex_buffer_object GL_ARB_vertex_shader GL_ARB_vertex_type_10f_11f_11f_rev GL_ARB_vertex_type_2_10_10_10_rev GL_ARB_viewport_array GL_ATI_blend_equation_separate GL_ATI_texture_float GL_EXT_EGL_image_storage GL_EXT_EGL_image_storage_compression GL_EXT_EGL_sync GL_EXT_abgr GL_EXT_blend_equation_separate GL_EXT_debug_label GL_EXT_demote_to_helper_invocation GL_EXT_depth_bounds_test GL_EXT_draw_buffers2 GL_EXT_draw_instanced GL_EXT_framebuffer_blit GL_EXT_framebuffer_multisample GL_EXT_framebuffer_multisample_blit_scaled GL_EXT_framebuffer_object GL_EXT_framebuffer_sRGB GL_EXT_memory_object GL_EXT_memory_object_fd GL_EXT_packed_depth_stencil GL_EXT_packed_float GL_EXT_pixel_buffer_object GL_EXT_polygon_offset_clamp GL_EXT_provoking_vertex GL_EXT_semaphore GL_EXT_semaphore_fd GL_EXT_shader_framebuffer_fetch GL_EXT_shader_framebuffer_fetch_non_coherent GL_EXT_shader_integer_mix GL_EXT_shader_samples_identical GL_EXT_texture_array GL_EXT_texture_compression_dxt1 GL_EXT_texture_compression_rgtc GL_EXT_texture_compression_s3tc GL_EXT_texture_filter_anisotropic GL_EXT_texture_integer GL_EXT_texture_sRGB GL_EXT_texture_sRGB_R8 GL_EXT_texture_sRGB_decode GL_EXT_texture_shadow_lod GL_EXT_texture_shared_exponent GL_EXT_texture_snorm GL_EXT_texture_storage GL_EXT_texture_swizzle GL_EXT_timer_query GL_EXT_transform_feedback GL_EXT_vertex_array_bgra GL_EXT_vertex_attrib_64bit GL_IBM_multimode_draw_arrays GL_INTEL_blackhole_render GL_INTEL_conservative_rasterization GL_INTEL_performance_query GL_INTEL_shader_atomic_float_minmax GL_INTEL_shader_integer_functions2 GL_KHR_blend_equation_advanced GL_KHR_blend_equation_advanced_coherent GL_KHR_context_flush_control GL_KHR_debug GL_KHR_no_error GL_KHR_parallel_shader_compile GL_KHR_robust_buffer_access_behavior GL_KHR_robustness GL_KHR_texture_compression_astc_ldr GL_KHR_texture_compression_astc_sliced_3d GL_MESA_framebuffer_flip_y GL_MESA_pack_invert GL_MESA_shader_integer_functions GL_MESA_texture_const_bandwidth GL_MESA_texture_signed_rgba GL_NV_alpha_to_coverage_dither_control GL_NV_compute_shader_derivatives GL_NV_conditional_render GL_NV_copy_image GL_NV_depth_clamp GL_NV_fragment_shader_interlock GL_NV_packed_depth_stencil GL_NV_texture_barrier GL_OES_EGL_image GL_S3_s3tc
     WebGL 2 Extensions: EXT_color_buffer_float EXT_float_blend EXT_texture_compression_bptc EXT_texture_compression_rgtc EXT_texture_filter_anisotropic MOZ_debug OES_draw_buffers_indexed OES_texture_float_linear WEBGL_compressed_texture_astc WEBGL_compressed_texture_etc WEBGL_compressed_texture_s3tc WEBGL_compressed_texture_s3tc_srgb WEBGL_debug_renderer_info WEBGL_debug_shaders WEBGL_lose_context
     Window Protocol: wayland
     Desktop Environment: ubuntu:gnome
     Target Frame Rate: 60

     GPU #1
     Active: Yes
     Description: Mesa Intel(R) Graphics (RPL-S)
     Vendor ID: 0x8086
     Device ID: 0xa780
     Driver Vendor: mesa/iris
     Driver Version: 24.3.4.0
     RAM: 0

   GPU #2

     Diagnostics
     AzureCanvasBackend: skia
     AzureContentBackend: skia
     AzureFallbackCanvasBackend: skia
     CMSOutputProfile: Empty profile data
     Display0: 2560x1440@60Hz scales:1.000000|1.000000
     DisplayCount: 1
     Window Device Pixel Ratios: 1
     Font Visibility Debug Info: Linux Unknown - ID=org.fr
     WebGPU Default Adapter: [object Object]
     WebGPU Fallback Adapter: [object Object]

     Decision Log
     HW_COMPOSITING: available by default
     OPENGL_COMPOSITING: available by default
     WEBRENDER: available by default
     WEBRENDER_COMPOSITOR: disabled by default: Disabled by defaultblocklisted by env: Blocklisted by gfxInfoblocked by runtime: Cannot be enabled in release or beta
     WEBRENDER_PARTIAL: available by default
     WEBRENDER_SHADER_CACHE: disabled by default: Disabled by default
     WEBRENDER_OPTIMIZED_SHADERS: available by default
     WEBRENDER_ANGLE: available by defaultunavailable by env: OS not supported
     WEBRENDER_DCOMP_PRESENT: available by defaultdisabled by user: User disabled via prefunavailable by env: Requires GPU processunavailable by runtime: Requires ANGLE
     WEBRENDER_SCISSORED_CACHE_CLEARS: available by default
     WEBGPU: available by defaultblocked by runtime: WebGPU cannot be enabled in release or beta
     X11_EGL: available by default
     DMABUF: available by default
     HARDWARE_VIDEO_DECODING: available by default
     HW_DECODED_VIDEO_ZERO_COPY: available by default
     VP8_HW_DECODE: available by defaultBlocklisted; failure code BLOCKLIST_FEATURE_FAILURE_VIDEO_DECODING_MISSING
     VP9_HW_DECODE: available by default
     DMABUF_SURFACE_EXPORT: blocked by default: Blocklisted by gfxInfo
     BACKDROP_FILTER: available by default
     CANVAS_RENDERER_THREAD: available by default
     ACCELERATED_CANVAS2D: available by default
     H264_HW_DECODE: available by default
     AV1_HW_DECODE: available by default
     REMOTE_CANVAS: disabled by default: Disabled via prefunavailable-no-gpu-process by env: Disabled without GPU processblocked by runtime: Platform not supported

   Crash Guard Disabled Features

   Workarounds

   Failure Log

 Media

     Audio Backend: pulse-rust
     Max Channels: 2
     Preferred Sample Rate: 48000
     Roundtrip latency (standard deviation): 66.64ms (46.57)

     Output Devices

       Name
       Group
       Vendor
       State
       Preferred
       Format
       Channels
       Rate
       Latency

       Built-in Audio Digital Stereo (HDMI)
       /devices/pci0000:00/0000:00:1f.3/sound/card0
       Intel Corporation
       Enabled
       All
       default: F32LE, support: S16LE S16BE F32LE F32BE
       2
       default: 48000, support: 1 - 384000
       0 - 0

     Input Devices

       Name
       Group
       Vendor
       State
       Preferred
       Format
       Channels
       Rate
       Latency

       Webcam C930e Digital Stereo (IEC958)
       /devices/pci0000:00/0000:00:14.0/usb1/1-11/1-11.3/1-11.3:1.2/sound/card1
       Logitech, Inc.
       Enabled
       All
       default: S16LE, support: S16LE S16BE F32LE F32BE
       2
       default: 48000, support: 1 - 384000
       0 - 0

       Monitor of Built-in Audio Digital Stereo (HDMI)
       /devices/pci0000:00/0000:00:1f.3/sound/card0
       Intel Corporation
       Enabled
       None
       default: F32LE, support: S16LE S16BE F32LE F32BE
       2
       default: 48000, support: 1 - 384000
       0 - 0

       Built-in Audio Analogue Stereo
       /devices/pci0000:00/0000:00:1f.3/sound/card0
       Intel Corporation
       Unplugged
       None
       default: F32LE, support: S16LE S16BE F32LE F32BE
       2
       default: 48000, support: 1 - 384000
       0 - 0

     Media Capabilities

     Enumerate database

 Environment Variables

   DISPLAY: :0
   MOZ_ASSUME_USER_NS: 0
   MOZ_CRASHREPORTER_EVENTS_DIRECTORY: /home/danny/.thunderbird/vxum1z5p.default-esr/crashes/events
   MOZ_CRASHREPORTER_RESTART_ARG_1: --name
   MOZ_CRASHREPORTER_RESTART_ARG_2: org.mozilla.Thunderbird
   MOZ_CRASHREPORTER_RESTART_ARG_3:
   MOZ_CRASHREPORTER_DATA_DIRECTORY: /home/danny/.thunderbird/Crash Reports
   MOZ_CRASHREPORTER_PING_DIRECTORY: /home/danny/.thunderbird/Pending Pings
   MOZ_CRASHREPORTER_STRINGS_OVERRIDE: /app/lib/thunderbird/crashreporter-override.ini
   MOZ_LAUNCHED_CHILD:
   MOZ_APP_SILENT_START:
   XRE_PROFILE_PATH:
   XRE_PROFILE_LOCAL_PATH:
   XRE_START_OFFLINE:
   XRE_BINARY_PATH:
   XRE_RESTARTED_BY_PROFILE_MANAGER:

 Important Modified Preferences

   browser.search.region: GB
   extensions.lastAppVersion: 128.8.1
   idle.lastDailyNotification: 1742559865
   media.gmp.storage.version.observed: 1
   places.database.lastMaintenance: 1742559865
   privacy.bounceTrackingProtection.hasMigratedUserActivationData: true
   privacy.purge_trackers.date_in_cookie_database: 0
   storage.vacuum.last.index: 0
   storage.vacuum.last.places.sqlite: 1742559865

 Important Locked Preferences

 fission.autostart.session: true

 Places Database

 Accessibility

   Activated: false
   Prevent Accessibility: 0

 Library Versions

     Expected minimum version
     Version in use

     NSPR
     4.35
     4.35

     NSS
     3.101.3
     3.101.3

     NSSSMIME
     3.101.3
     3.101.3

     NSSSSL
     3.101.3
     3.101.3

     NSSUTIL
     3.101.3
     3.101.3

 Sandbox

   Seccomp-BPF (System Call Filtering): true
   Seccomp Thread Synchronisation: true
   User Namespaces for privileged processes: true
   User Namespaces: false
   Content Process Sandboxing: true
   Media Plugin Sandboxing: true
   Content Process Sandbox Level: 0
   Effective Content Process Sandbox Level: 0

 Rejected System Calls

     #
     Seconds Ago
     PID
     TID
     Process Type
     Syscall
     Arguments

 Startup Cache

   Disk Cache Path: /home/danny/.var/app/org.mozilla.Thunderbird/cache/thunderbird/vxum1z5p.default-esr/startupCache/startupCache.8.little
   Ignore Disk Cache: false
   Found Disk Cache on Init: true
   Wrote to Disk Cache: false

 Internationalisation & Localisation

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

     Operating System
     System Locales: ["en-GB"]
     Regional Preferences: ["en-GB"]

 Remote Debugging (Chromium Protocol)

   Accepting Connections:
   URL:

 Printing

 Modified print settings

Hi, I use TB for quite a while on my pc. Tried to use TB 4 A. I used the import function. Got 3 accts. Scanned the QR code and it seemed to import all of them. But then I noticed the Gmail POP acct was not showing any entries. I got confused, so I uninstalled and then Only imported the Gmail account. Nothing was there in any folder.

Is there a problem with POP? The documentation says no.

Thanks, Sam

I previously posted [launch Thunderbird on one Mac user account] and the solution by @DavidGG worked then. But it isn't working this time. So I really need to know what file triggers the Thunderbird Install Helper dialog on macOS.

Here are the steps for the current situation:

Steps: 1. On user 2, launch Thunderbird. 2. Get the dialog that there's an update to 128.8.0esr. 3. Click the Restart to update button. 4. Get the dialog that there's an update to 128.8.0esr. 5. Click the Restart to update button. 6. Get the dialog to enter admin ID and password for installing the Thunderbird helper. 7. Enter the admin ID and password and click OK.

Expected result: Thunderbird relaunches, now with 128.8.1esr. Actual result: Get the dialog to enter admin ID and password for installing the Thunderbird helper.

10. Log off user 2 and log on to user 1.

Here is where I did something different from the previous issue. Last time I deleted Thunderbird and re-installed it. This time I did the upgrade.

11. On user 1, launch Thunderbird. 12. Get the dialog that there's an update to 128.8.0esr. 13. Click the Restart to update button. 14. Get the dialog that there's an update to 128.8.0esr. 15. Click the Restart to update button. 16. Get the dialog to enter admin ID and password for installing the Thunderbird helper. 17. Enter the admin ID and password and click OK.

Expected and actual result: Thunderbird launches and I can use it normally.

18. Log out of user 1 and log into user 2. 19. Launch Thunderbird

Expected result: Thunderbird launches and I can use it normally. Actual result: Get the dialog to enter admin ID and password for installing the Thunderbird helper.

I'm guessing there's some manner of residual file that's preventing Thunderbird from launching on user 2. I've verified Thunderbird is in the system's Application folder and not in user 1's files.

So I continued with the recommended remediation from the previous issue:

20. Trash ~/Library/Thunderbird 21. Launch Thunderbird

Expected result: Thunderbird launches and I can proceed recover profiles.ini and the Profiles folder from the trash Actual result: Get the dialog to enter admin ID and password for installing the Thunderbird helper.

How do I clear the pending install from user 2 so that Thunderbird will launch for user 2? What is the specific file or code line that triggers the request to install the helper?

(Yes, I did move my files back out of the trash so I don't lose them. I also have a TimeMachine backup.)

I suppose I could totally re-install Thunderbird like I did the other time, but I'm hoping for a less time-intensive solution. I guess I could also dust off my old programming skills and dive into the source code - an advantage of Open Source - but it's not a strength for me and Thunderbird is coded in a language I'm not fluent in.

II cannot install fire fox on my android mobile phone. It appears that either Google or Samsung will allow. Can I get step by step instructions on how to make it happen.please?

Hi, I ran a Firefox update which I guess I downloaded yesterday but now Firefox won't fully load new tabs with my usual view of stories. I don't know if that's the only part that's broken or what....I'm not geeky enough to say. The "thought provoking stories" section just looks like its in a long process trying to connect with something.... all other windows I'd left pinned and recent activity shortcuts at the bottom of a new tab work.

apparently, programmers don't understand how aggravating not having backward compatibility is to the rest of us, so please bear with my extreme aggravation here. IF IT AIN'T BROKE, QUIT FIXING IT.

 firefox disabled my addons, thus forcing me to upgrade, and now I am angry. Tried downloading the new version several times. My os is as updated as it can get. Using the APT link from this site, it just shows garbage. Using the download for linux 64 bit link, it makes me jump through hoops and looks like it is working, but it looks different and none of my bookmarks transferred over. Closing it down and reopening it, I see the old version, thus making it look like I am possibly running both versions separately. Once the *all new singing and dancing special that is supposedly so much better than the old that some ignoramus decided I MUST use it instead of the old and functional one* is closed out, I see no way to reopen it. And neither version will enable or allow me to download singlefile. That is the only program I need from firefox at this time.
 Will somebody please show me, step by step, as if I am 5 years old, a back door that will enable my addons, before I go nuts and start beating programmers to death with reams of algorithms?