Solved Ant Video Downloader extension no longer available.


F

Fourthcar

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windows 11 Pro 22H2
I use Ant Video Downloader for Firefox...the best in my opinion...which is no longer available as extension.
What i like to know is... if i copy my existing Firefox profile folder and make a back up and i have to re-install Firefox and then copy and paste profile folder
into Firefox would all my current extensions re-appear especially Ant Video Downloader ?

Thank you.
 
Windows Build/Version
Windows 11 Pro / 22H2 / OS Build 22621.1778

My Computer My Computer

At a glance

windows 11 Pro 22H2
OS
windows 11 Pro 22H2
Computer type
PC/Desktop
Manufacturer/Model
Asus
Copying and pasting your FF profile will import all the extensions you have now and Ant Downloader should be there, but I can not guarantee it will work. You run into a kind of a gray area here as that add-on is still in the FF store available for download though it does state it is no longer supported. I read that statement as its developer no longer supports it, not that FF doesn't support it. If this be the case, it should work just fine after you copy and paste your FF profile.

I always run the latest version of FF and I use several extensions. Several times my extensions have been disabled until the developer issued updates for them that would work with the latest version of FF.

Are you running the latest FF release which is 113.0.2 and Ant works OK with it or are you running an old version of FF in order to run legacy apps? The reason I ask this is if you are running an old release of FF in order to run legacy extensions and you import the extension data over into a new release, FF will probably disable any unsupported extension.
Reference - Frequently asked questions - Firefox add-on technology is modernizing | Firefox Help
 

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  • At a glance

    Windows 11 Pro 25H2 26200.9457i9-10900 10 core 20 threads32 gbnone-Intel UHD Graphics 630
    OS
    Windows 11 Pro 25H2 26200.9457
    Computer type
    PC/Desktop
    Manufacturer/Model
    Dell Optiplex 7080
    CPU
    i9-10900 10 core 20 threads
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    DELL 0J37VM
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    so slow I'm too embarrassed to tell
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    Defender+MWB Premium

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    Windows 11 Pro 24H2 26200.9457AMD Ryzen 7 6800U32 gbintegrated
    Operating System
    Windows 11 Pro 24H2 26200.9457
    Computer type
    PC/Desktop
    Manufacturer/Model
    Beelink Mini PC SER5
    CPU
    AMD Ryzen 7 6800U
    Memory
    32 gb
    Graphics card(s)
    integrated
    Sound Card
    integrated
    Monitor(s) Displays
    Benq 27
    Screen Resolution
    2560x1440
    Hard Drives
    1TB Crucial nvme
    Keyboard
    Logitech wired
    Mouse
    Logitech wireless
    Internet Speed
    still too embarrassed to tell
    Browser
    Firefox
    Antivirus
    Defender
  • System 3 is non compliant Dell 9020 i7-4770/24gb ram Win11 PRO 26200.9457

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  • At a glance

    Windows 11 HomeAMD Athlon Silver 3050U8GBRadeon Graphics
    OS
    Windows 11 Home
    Computer type
    Laptop
    Manufacturer/Model
    Acer Aspire 3 A315-23-R9VY
    CPU
    AMD Athlon Silver 3050U
    Memory
    8GB
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    Radeon Graphics
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    laptop screen
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    1366x768 native resolution, up to 2560x1440 with Radeon Virtual Super Resolution
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    1TB Samsung EVO 870 SSD (from April 2026: 250GB EVO 850)
    Internet Speed
    150 Mbps
    Browser
    Edge, Firefox
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    Defender
    Other Info
    UPDATE - 11 April 2026: due to lid hinges starting to break up this laptop has been retired from active duty. The OS with all software and files has been migrated to my System Seven in 'Other systems' to carry on as my general purpose 'main machine'.

    I've now clean installed 25H2 and used Garlin's scripts to update Secure Boot to CA 2023 and revoke the PCA 2011 certificates. It's new role is to test secure boot issues.

    Info for 2021-2026:
    fully 'Windows 11 ready' laptop. Windows 10 C: partition migrated from my old unsupported 'main machine' then upgraded to 11. A test migration ran Insider builds for 2 months. When 11 was released on 5th October 2021 it was re-imaged back to 10 and was offered the upgrade in Windows Update on 20th October. Windows Update offered the 22H2 Feature Update on 20th September 2022. It got the 23H2 Feature Update on 4th November 2023 through Windows Update, 24H2 on 3rd October 2024 through Windows Update by setting the Target Release Version for 24H2, and 25H2 on 30th September 2025 through Windows Update by setting the Target Release Version for 25H2.

  • At a glance

    Windows 11 ProIntel® Core™ i5-520M8GB(integrated graphics) Intel HD Graphics
    Operating System
    Windows 11 Pro
    Computer type
    Laptop
    Manufacturer/Model
    Dell Latitude E4310
    CPU
    Intel® Core™ i5-520M
    Motherboard
    0T6M8G
    Memory
    8GB
    Graphics card(s)
    (integrated graphics) Intel HD Graphics
    Screen Resolution
    1366x768
    Hard Drives
    500GB Crucial MX500 SSD
    Browser
    Firefox, Edge
    Antivirus
    Defender
    Other Info
    unsupported machine: Legacy bios, MBR, TPM 1.2, upgraded from W10 to W11 using W10/W11 hybrid install media workaround.

    In-place upgrade to 22H2 using ISO and a workaround.
    Feature Update to 23H2 by manually installing the Enablement Package.
    In-place upgrade to 24H2 using hybrid 23H2/24H2 install media.
    Upgraded to 25H2 by Enablement Package.

    Also running Insider Experimental 263xx and 29xxx builds and Windows 10 as native boot .vhdx.
  • My SYSTEM THREE is a Dell Latitude 5410, i7-10610U, 32GB RAM, 512GB NVMe ssd, supported device running Windows 11 Pro.

    My SYSTEM FOUR was a 2-in-1 convertible Lenovo Yoga 11e (1st gen) type 20DA, Celeron N2930, 8GB RAM, 256GB ssd. Unsupported device. This has now been sold. It has been replaced by my System Eight.

    My SYSTEM FIVE is a Dell Latitude 3190 2-in-1, Pentium Silver N5030, 8GB RAM, 1TB NVMe ssd, supported device running Windows 11 Pro, plus Insider Beta, Experimental 263xx and 29xxx builds (and a few others) as a native boot .vhdx.

    My SYSTEM SIX is a Dell Latitude 5550, Core Ultra 7 165H, 64GB RAM, 1TB NVMe SSD, supported device, Windows 11 Pro, Hyper-V host machine. Updated to 25H2 on 30th September 2025.

    My SYSTEM SEVEN is a Lenovo Thinkpad T580, 1920x1080 touchscreen, Intel Core i7-8650U, 16GB RAM, 512GB NVMe SSD + 2nd 512GB NVMe SSD, a supported device for Windows 11. This is my current general purpose 'main machine'. The installed Windows 11 Home from my System One has been migrated to this machine. As its new home has an existing digital licence for Pro I've been able to upgrade the migrated OS from Home to Pro.

    My SYSTEM EIGHT is a 2-in-1 convertible Lenovo Yoga 11e (5th gen) type 20LN, Celeron N4120, 8GB RAM, 512GB NVMe ssd, a supported device for Windows 11. Currently running Windows 11 Pro, plus Insider Beta, Experimental 263xx and 29xxx builds as native boot vhdx.
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