Solved Since 24H2 upgrade Adobe Acrobat is very slow to load - if at all


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As the title says, I am having some issues with Acrobat. Since I upgraded to 24H2 yesterday, Acrobat is very slow to open when double clicking a file in Explorer. That is if it opens at all. Often, I have to right click the file in Explorer and say "Open with Acrobat" and then wait 30 seconds while the computer figures out it is a computer and should do what I asked.

It was working perfectly before the upgrade and I haven't noticed any other problems with other software, just Acrobat.

I am wondering if I have to change any settings in Acrobat? And if so, which ones?
 
Windows Build/Version
24H2 Win 11 Pro

My Computer

System One

  • OS
    Win 11 Pro 23H2
    Computer type
    PC/Desktop
    Manufacturer/Model
    Self build
    CPU
    Intel i7 13700KF
    Motherboard
    Gigabyte Z790 UD AC
    Memory
    32 GB Team Group DDR5 - 6000 CL 30
    Graphics Card(s)
    ASUS TUF GAMING RTX 3070 Ti
    Sound Card
    On board Realtek
    Monitor(s) Displays
    2 x Samsung 32 inch curved - one 4K, one 1080p
    Screen Resolution
    4K, 1920 x 1080
    Hard Drives
    1 TB Samsung 980 Pro Nvme, 1 TB Samsung 970 EVO Nvme, 2 x Samsung 970 2TB SSD SATA
    PSU
    EVGA 1000Q
    Case
    Rosewill something or other
    Cooling
    Noctua NH-D15. A whole schwak of Noctua case fans. $$$
    Keyboard
    Logitech G815
    Mouse
    Logitech G502 Hero
    Internet Speed
    700 up, 600 down
    Browser
    Firefox
    Antivirus
    MalwareBytes
Is your Malwarebytes fully up to date? There was a fixed issue with 24h2 and Malwarebytes.
 

My Computer

System One

  • OS
    Windows 10
This is a very common issue that has been around long before 24H2 was born.
 

My Computers

System One System Two

  • OS
    Windows 11 Pro 24H2 26100.3025
    Computer type
    PC/Desktop
    Manufacturer/Model
    Homebuilt
    CPU
    Intel Core i9 13900K
    Motherboard
    Asus ProArt Z790 Creator WiFi - Bios 2703
    Memory
    Corsair Dominator Platinum 64gb 5600MT/s DDR5 Dual Channel
    Graphics Card(s)
    Sapphire NITRO+ AMD Radeon RX 7900 XTX Vapor-X 24GB
    Sound Card
    External DAC - Headphone Amplifier: Cambridge Audio DACMagic200M
    Monitor(s) Displays
    Panasonic MX950 Mini LED 55" TV 120hz
    Screen Resolution
    3840 x 2160 120hz
    Hard Drives
    Samsung 980 Pro 2TB (OS)
    Samsung 980 Pro 1TB (Files)
    Lexar NZ790 4TB
    LaCie d2 Professional 6TB external - USB 3.1
    Seagate One Touch 18TB external HD - USB 3.0
    PSU
    Corsair RM1200x Shift
    Case
    Corsair RGB Smart Case 5000x (white)
    Cooling
    Corsair iCue H150i Elite Capellix XT
    Keyboard
    Logitech K860
    Mouse
    Logitech MX Ergo Trackball
    Internet Speed
    Fibre 900/500 Mbps
    Browser
    Microsoft Edge Chromium
    Antivirus
    Bitdefender Total Security
    Other Info
    AMD Radeon Software & Drivers 24.12.1
    AOMEI Backupper Pro
    Dashlane password manager
    Logitech Brio 4K Webcam
    Orico 10-port powered USB 3.0 hub
  • Operating System
    Windows 11 Pro 24H2 26100.2894
    Computer type
    Laptop
    Manufacturer/Model
    Asus Vivobook X1605VA
    CPU
    Intel® Core™ i9-13900H
    Motherboard
    Asus X1605VA bios 309
    Memory
    32GB DDR4-3200 Dual channel
    Graphics card(s)
    *Intel Iris Xᵉ Graphics G7 (96EU) 32.0.101.6078
    Sound Card
    Realtek | Intel SST Bluetooth & USB
    Monitor(s) Displays
    16.0-inch, WUXGA 16:10 aspect ratio, IPS-level Panel
    Screen Resolution
    1920 x 1200 60hz
    Hard Drives
    512GB M.2 NVMe™ PCIe® 3.0 SSD
    Other Info
    720p Webcam
As the title says, I am having some issues with Acrobat.
What version of 24H2 do you have / had installed?

I had this issue until I updated to Windows 11 Pro v 24H2 Build(26100.2454), the problem (for me) no longer occurs.
Whether its the OS upgrade or something Adobe have fixed I can't really say.
 

My Computer

System One

  • OS
    Windows 11 Pro 24H2 (Build 26100.3037)
    Computer type
    PC/Desktop
    Manufacturer/Model
    Dell Precision 3660 Tower Workstation
    CPU
    12th Gen Intel(R) Core(TM) i9-12900 5.10 GHz
    Motherboard
    64-bit operating system, x64-based processor
    Memory
    32.00 GB
    Graphics Card(s)
    Intel UHD Graphics 770
    Sound Card
    Realtek Audio
    Monitor(s) Displays
    Dell P2714H Monitor
    Screen Resolution
    1920 x 1080
    Hard Drives
    1 x 512GB NVME PC801 NVMe SK hynix - BOOT
    1 x 1TB Seagate ST1000LM049-2GH172 Internal HDD
    1 x 1TB Seagate STGX4000400 External HDD
    1 x 2TB Seagate STGX4000400 External HDD
    1 x 4TB Seagate STGX4000400 External HDD
    PSU
    300 Watts
    Cooling
    Air
    Keyboard
    Microsoft Wired Keyboard 600
    Mouse
    Microsoft USB Basic Optical Mouse v2.0
    Browser
    Firefox
    Antivirus
    Windows Defender + Malwarebytes Premium
    Other Info
    BaseBoard Manufacturer Dell Inc.
    BaseBoard Product 0J1CP3
    BaseBoard Version A01
I found the answer here:


Courtesy of @IanMosley

It turns out that shutting off protected mode seems to do the trick. I scan all of my PDFs with a virus checker before I open them, so I think it should be OK until someone fixes this properly.

Thanks for the answers everyone. :-)
 

My Computer

System One

  • OS
    Win 11 Pro 23H2
    Computer type
    PC/Desktop
    Manufacturer/Model
    Self build
    CPU
    Intel i7 13700KF
    Motherboard
    Gigabyte Z790 UD AC
    Memory
    32 GB Team Group DDR5 - 6000 CL 30
    Graphics Card(s)
    ASUS TUF GAMING RTX 3070 Ti
    Sound Card
    On board Realtek
    Monitor(s) Displays
    2 x Samsung 32 inch curved - one 4K, one 1080p
    Screen Resolution
    4K, 1920 x 1080
    Hard Drives
    1 TB Samsung 980 Pro Nvme, 1 TB Samsung 970 EVO Nvme, 2 x Samsung 970 2TB SSD SATA
    PSU
    EVGA 1000Q
    Case
    Rosewill something or other
    Cooling
    Noctua NH-D15. A whole schwak of Noctua case fans. $$$
    Keyboard
    Logitech G815
    Mouse
    Logitech G502 Hero
    Internet Speed
    700 up, 600 down
    Browser
    Firefox
    Antivirus
    MalwareBytes
I don't have any Adobe software in my computer currently. The issue I had a couple of years ago with Acrobat was it caused the boot up to take a long time. Turned out to be the settings for an Adobe service. I do wonder how much bloat/flab is in their software.
 

My Computers

System One System Two

  • OS
    Windows 11 Pro 24H2 26100.3025
    Computer type
    PC/Desktop
    Manufacturer/Model
    Homebuilt
    CPU
    Intel Core i9 13900K
    Motherboard
    Asus ProArt Z790 Creator WiFi - Bios 2703
    Memory
    Corsair Dominator Platinum 64gb 5600MT/s DDR5 Dual Channel
    Graphics Card(s)
    Sapphire NITRO+ AMD Radeon RX 7900 XTX Vapor-X 24GB
    Sound Card
    External DAC - Headphone Amplifier: Cambridge Audio DACMagic200M
    Monitor(s) Displays
    Panasonic MX950 Mini LED 55" TV 120hz
    Screen Resolution
    3840 x 2160 120hz
    Hard Drives
    Samsung 980 Pro 2TB (OS)
    Samsung 980 Pro 1TB (Files)
    Lexar NZ790 4TB
    LaCie d2 Professional 6TB external - USB 3.1
    Seagate One Touch 18TB external HD - USB 3.0
    PSU
    Corsair RM1200x Shift
    Case
    Corsair RGB Smart Case 5000x (white)
    Cooling
    Corsair iCue H150i Elite Capellix XT
    Keyboard
    Logitech K860
    Mouse
    Logitech MX Ergo Trackball
    Internet Speed
    Fibre 900/500 Mbps
    Browser
    Microsoft Edge Chromium
    Antivirus
    Bitdefender Total Security
    Other Info
    AMD Radeon Software & Drivers 24.12.1
    AOMEI Backupper Pro
    Dashlane password manager
    Logitech Brio 4K Webcam
    Orico 10-port powered USB 3.0 hub
  • Operating System
    Windows 11 Pro 24H2 26100.2894
    Computer type
    Laptop
    Manufacturer/Model
    Asus Vivobook X1605VA
    CPU
    Intel® Core™ i9-13900H
    Motherboard
    Asus X1605VA bios 309
    Memory
    32GB DDR4-3200 Dual channel
    Graphics card(s)
    *Intel Iris Xᵉ Graphics G7 (96EU) 32.0.101.6078
    Sound Card
    Realtek | Intel SST Bluetooth & USB
    Monitor(s) Displays
    16.0-inch, WUXGA 16:10 aspect ratio, IPS-level Panel
    Screen Resolution
    1920 x 1200 60hz
    Hard Drives
    512GB M.2 NVMe™ PCIe® 3.0 SSD
    Other Info
    720p Webcam

see this. You can disable 'enable secure mode at startup' YMMY at your own risk.
 

My Computers

System One System Two

  • OS
    w11 home
    Computer type
    Laptop
    Manufacturer/Model
    ThinkPad T14s Gen 4
    CPU
    i7 Raptor Lake
    Memory
    16gb DDR5 8 slots/2 each???
    Graphics Card(s)
    Intel XE
    Monitor(s) Displays
    Acer / Viewsonic 24"
    Screen Resolution
    1920*1200
    Hard Drives
    M2 Aprilcom 1tb
    Keyboard
    wireless Logi
    Mouse
    Logi k270
    Internet Speed
    1gb
    Browser
    Brave or Thorium ocasionally
    Antivirus
    Malwarebytes
    Other Info
    W11 Home
  • Operating System
    W11 Pro
    Computer type
    PC/Desktop
    Manufacturer/Model
    custom
    CPU
    AMD ryzen 7 5500x
    Motherboard
    ASus B550F Gaming
    Memory
    16gb
    Hard Drives
    m2 1tb

see this. You can disable 'enable secure mode at startup' YMMY at your own risk.
Yeah. I had that figured out already. Total PITA to figure out.
 

My Computer

System One

  • OS
    Win 11 Pro 23H2
    Computer type
    PC/Desktop
    Manufacturer/Model
    Self build
    CPU
    Intel i7 13700KF
    Motherboard
    Gigabyte Z790 UD AC
    Memory
    32 GB Team Group DDR5 - 6000 CL 30
    Graphics Card(s)
    ASUS TUF GAMING RTX 3070 Ti
    Sound Card
    On board Realtek
    Monitor(s) Displays
    2 x Samsung 32 inch curved - one 4K, one 1080p
    Screen Resolution
    4K, 1920 x 1080
    Hard Drives
    1 TB Samsung 980 Pro Nvme, 1 TB Samsung 970 EVO Nvme, 2 x Samsung 970 2TB SSD SATA
    PSU
    EVGA 1000Q
    Case
    Rosewill something or other
    Cooling
    Noctua NH-D15. A whole schwak of Noctua case fans. $$$
    Keyboard
    Logitech G815
    Mouse
    Logitech G502 Hero
    Internet Speed
    700 up, 600 down
    Browser
    Firefox
    Antivirus
    MalwareBytes

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