Zombie shell extenstion


cbreemer

Member
Local time
11:38 PM
Posts
43
OS
Windows 11 Pro Version 22H2 (OS Build 22621.3155)
It looks like I am seeing a zombie shell extension in ShellExView. I just uninstalled Foxit Pdf Reader, and still ShellExView shows its extension. When I click on Properties, ShellExView correctly informs me that the associated file is no longer there. Ah, the vagaries of Windows... What's going on here ? How can I get rid of that undead extension ? I considered asking on a Foxit forum, but they want me to create an account which I refuse to do.

foxit.jpg
 

My Computer

System One

  • OS
    Windows 11 Pro Version 22H2 (OS Build 22621.3155)
    Computer type
    PC/Desktop
    Manufacturer/Model
    Intel NUC12WSHi7
    CPU
    Intel Core i7-1260P
    Motherboard
    Intel NUC12WSHi7
    Memory
    64Gb
    Graphics Card(s)
    Intel Iris Xe Graphics
    Sound Card
    Intel Smart Sound for USB
    Monitor(s) Displays
    LG 34WP500 UltraWide Monitor
    Screen Resolution
    2560x1080
    Hard Drives
    Adata Legend 710 2Tb SSD
    PNY CS9000 2Tb SSD
    Keyboard
    Logitech K540 Bluetooth
    Mouse
    Logitech M310 Bluetooth
    Internet Speed
    200Mbps
    Browser
    Chrome
    Antivirus
    Avast Free Antivirus
Where do you see this undead extension? What window or menu?
 

My Computers

System One System Two

  • OS
    11 Pro 23H2 22631.3155
    Computer type
    PC/Desktop
    Manufacturer/Model
    Lenovo ThinkCentre M920S SFF
    CPU
    i7-9700 @ 3.00GHz
    Motherboard
    Lenovo 3132
    Memory
    32GBDDR4 @ 2666MHz
    Graphics Card(s)
    Intel HD 630 Graphics onboard
    Sound Card
    Realtek HD Audio
    Monitor(s) Displays
    LG E2442
    Screen Resolution
    1920x1080
    Hard Drives
    1 x Samsung 970 EVO PLUS 500GB NVMe SSD, 1 x WD_BLACK SN770
    250GB NVMe SSD (OS and programs), 1 x WD_BLACK SN770
    500GB NVMe SSD (Data)
    Case
    Lenovo SFF
    Keyboard
    Cherry Stream TKL JK-8600US-2 Wired
    Mouse
    LogiTech M510 wireless
    Internet Speed
    Fast (for fixed wireless!)
    Browser
    Chrome, sometimes Firefox
    Antivirus
    Malwarebytes Premium & Defender (working together beautifully!)
  • Operating System
    11 Pro 23H2 22631.3155
    Computer type
    PC/Desktop
    Manufacturer/Model
    Lenovo ThinkCentre M920S SFF
    CPU
    i5-8400 @ 2.80GHz
    Motherboard
    Lenovo 3132
    Memory
    32GB DDR4 @ 2600MHz
    Graphics card(s)
    Intel HD 630 Graphics onboard
    Sound Card
    Realtek High Definition Audio onboard
    Monitor(s) Displays
    LG FULL HD (1920x1080@59Hz)
    Screen Resolution
    1920 x 1080
    Hard Drives
    1 x Samsung 970 EVO PLUS NVMe; 1 x Samsung 980 NVMe SSD
    Case
    Lenovo Think Centre SFF
    Mouse
    LogiTech M510 wireless
    Keyboard
    Cherry Stream TKL JK-8600US-2 Wired
    Internet Speed
    Fast (for fixed wireless!)
    Browser
    Chrome
    Antivirus
    Malwarebytes Premium and MS Defender, beautiful together
I mean other than in ShellExView, ofc. A screenshot might be helpful, too.
 

My Computers

System One System Two

  • OS
    11 Pro 23H2 22631.3155
    Computer type
    PC/Desktop
    Manufacturer/Model
    Lenovo ThinkCentre M920S SFF
    CPU
    i7-9700 @ 3.00GHz
    Motherboard
    Lenovo 3132
    Memory
    32GBDDR4 @ 2666MHz
    Graphics Card(s)
    Intel HD 630 Graphics onboard
    Sound Card
    Realtek HD Audio
    Monitor(s) Displays
    LG E2442
    Screen Resolution
    1920x1080
    Hard Drives
    1 x Samsung 970 EVO PLUS 500GB NVMe SSD, 1 x WD_BLACK SN770
    250GB NVMe SSD (OS and programs), 1 x WD_BLACK SN770
    500GB NVMe SSD (Data)
    Case
    Lenovo SFF
    Keyboard
    Cherry Stream TKL JK-8600US-2 Wired
    Mouse
    LogiTech M510 wireless
    Internet Speed
    Fast (for fixed wireless!)
    Browser
    Chrome, sometimes Firefox
    Antivirus
    Malwarebytes Premium & Defender (working together beautifully!)
  • Operating System
    11 Pro 23H2 22631.3155
    Computer type
    PC/Desktop
    Manufacturer/Model
    Lenovo ThinkCentre M920S SFF
    CPU
    i5-8400 @ 2.80GHz
    Motherboard
    Lenovo 3132
    Memory
    32GB DDR4 @ 2600MHz
    Graphics card(s)
    Intel HD 630 Graphics onboard
    Sound Card
    Realtek High Definition Audio onboard
    Monitor(s) Displays
    LG FULL HD (1920x1080@59Hz)
    Screen Resolution
    1920 x 1080
    Hard Drives
    1 x Samsung 970 EVO PLUS NVMe; 1 x Samsung 980 NVMe SSD
    Case
    Lenovo Think Centre SFF
    Mouse
    LogiTech M510 wireless
    Keyboard
    Cherry Stream TKL JK-8600US-2 Wired
    Internet Speed
    Fast (for fixed wireless!)
    Browser
    Chrome
    Antivirus
    Malwarebytes Premium and MS Defender, beautiful together
I mean other than in ShellExView, ofc.
I don't see it anywhere else. But I am chasing an elusive crash that is allegedly caused by some shell extension so I don't like seeing unexplained stuff like this. Normally uninstalling software gets rid of the handlers too, but this seems to be the exception.
 

My Computer

System One

  • OS
    Windows 11 Pro Version 22H2 (OS Build 22621.3155)
    Computer type
    PC/Desktop
    Manufacturer/Model
    Intel NUC12WSHi7
    CPU
    Intel Core i7-1260P
    Motherboard
    Intel NUC12WSHi7
    Memory
    64Gb
    Graphics Card(s)
    Intel Iris Xe Graphics
    Sound Card
    Intel Smart Sound for USB
    Monitor(s) Displays
    LG 34WP500 UltraWide Monitor
    Screen Resolution
    2560x1080
    Hard Drives
    Adata Legend 710 2Tb SSD
    PNY CS9000 2Tb SSD
    Keyboard
    Logitech K540 Bluetooth
    Mouse
    Logitech M310 Bluetooth
    Internet Speed
    200Mbps
    Browser
    Chrome
    Antivirus
    Avast Free Antivirus
Did you unistall it with Revo (or similar app), or with just Windows > Settings > Installed > uninstall?
 

My Computers

System One System Two

  • OS
    11 Pro 23H2 22631.3155
    Computer type
    PC/Desktop
    Manufacturer/Model
    Lenovo ThinkCentre M920S SFF
    CPU
    i7-9700 @ 3.00GHz
    Motherboard
    Lenovo 3132
    Memory
    32GBDDR4 @ 2666MHz
    Graphics Card(s)
    Intel HD 630 Graphics onboard
    Sound Card
    Realtek HD Audio
    Monitor(s) Displays
    LG E2442
    Screen Resolution
    1920x1080
    Hard Drives
    1 x Samsung 970 EVO PLUS 500GB NVMe SSD, 1 x WD_BLACK SN770
    250GB NVMe SSD (OS and programs), 1 x WD_BLACK SN770
    500GB NVMe SSD (Data)
    Case
    Lenovo SFF
    Keyboard
    Cherry Stream TKL JK-8600US-2 Wired
    Mouse
    LogiTech M510 wireless
    Internet Speed
    Fast (for fixed wireless!)
    Browser
    Chrome, sometimes Firefox
    Antivirus
    Malwarebytes Premium & Defender (working together beautifully!)
  • Operating System
    11 Pro 23H2 22631.3155
    Computer type
    PC/Desktop
    Manufacturer/Model
    Lenovo ThinkCentre M920S SFF
    CPU
    i5-8400 @ 2.80GHz
    Motherboard
    Lenovo 3132
    Memory
    32GB DDR4 @ 2600MHz
    Graphics card(s)
    Intel HD 630 Graphics onboard
    Sound Card
    Realtek High Definition Audio onboard
    Monitor(s) Displays
    LG FULL HD (1920x1080@59Hz)
    Screen Resolution
    1920 x 1080
    Hard Drives
    1 x Samsung 970 EVO PLUS NVMe; 1 x Samsung 980 NVMe SSD
    Case
    Lenovo Think Centre SFF
    Mouse
    LogiTech M510 wireless
    Keyboard
    Cherry Stream TKL JK-8600US-2 Wired
    Internet Speed
    Fast (for fixed wireless!)
    Browser
    Chrome
    Antivirus
    Malwarebytes Premium and MS Defender, beautiful together
Did you unistall it with Revo (or similar app), or with just Windows > Settings > Installed > uninstall?
Just the default Windows app. But I've heard good things about Revo so I'll try that out. Thanks for the tip !
 

My Computer

System One

  • OS
    Windows 11 Pro Version 22H2 (OS Build 22621.3155)
    Computer type
    PC/Desktop
    Manufacturer/Model
    Intel NUC12WSHi7
    CPU
    Intel Core i7-1260P
    Motherboard
    Intel NUC12WSHi7
    Memory
    64Gb
    Graphics Card(s)
    Intel Iris Xe Graphics
    Sound Card
    Intel Smart Sound for USB
    Monitor(s) Displays
    LG 34WP500 UltraWide Monitor
    Screen Resolution
    2560x1080
    Hard Drives
    Adata Legend 710 2Tb SSD
    PNY CS9000 2Tb SSD
    Keyboard
    Logitech K540 Bluetooth
    Mouse
    Logitech M310 Bluetooth
    Internet Speed
    200Mbps
    Browser
    Chrome
    Antivirus
    Avast Free Antivirus
You might do well to re-install Foxit, open it once or twice, and then uninstall it with Revo (Free), being sure to Scan for leftovers and remove all.
 

My Computers

System One System Two

  • OS
    11 Pro 23H2 22631.3155
    Computer type
    PC/Desktop
    Manufacturer/Model
    Lenovo ThinkCentre M920S SFF
    CPU
    i7-9700 @ 3.00GHz
    Motherboard
    Lenovo 3132
    Memory
    32GBDDR4 @ 2666MHz
    Graphics Card(s)
    Intel HD 630 Graphics onboard
    Sound Card
    Realtek HD Audio
    Monitor(s) Displays
    LG E2442
    Screen Resolution
    1920x1080
    Hard Drives
    1 x Samsung 970 EVO PLUS 500GB NVMe SSD, 1 x WD_BLACK SN770
    250GB NVMe SSD (OS and programs), 1 x WD_BLACK SN770
    500GB NVMe SSD (Data)
    Case
    Lenovo SFF
    Keyboard
    Cherry Stream TKL JK-8600US-2 Wired
    Mouse
    LogiTech M510 wireless
    Internet Speed
    Fast (for fixed wireless!)
    Browser
    Chrome, sometimes Firefox
    Antivirus
    Malwarebytes Premium & Defender (working together beautifully!)
  • Operating System
    11 Pro 23H2 22631.3155
    Computer type
    PC/Desktop
    Manufacturer/Model
    Lenovo ThinkCentre M920S SFF
    CPU
    i5-8400 @ 2.80GHz
    Motherboard
    Lenovo 3132
    Memory
    32GB DDR4 @ 2600MHz
    Graphics card(s)
    Intel HD 630 Graphics onboard
    Sound Card
    Realtek High Definition Audio onboard
    Monitor(s) Displays
    LG FULL HD (1920x1080@59Hz)
    Screen Resolution
    1920 x 1080
    Hard Drives
    1 x Samsung 970 EVO PLUS NVMe; 1 x Samsung 980 NVMe SSD
    Case
    Lenovo Think Centre SFF
    Mouse
    LogiTech M510 wireless
    Keyboard
    Cherry Stream TKL JK-8600US-2 Wired
    Internet Speed
    Fast (for fixed wireless!)
    Browser
    Chrome
    Antivirus
    Malwarebytes Premium and MS Defender, beautiful together
You might do well to re-install Foxit, open it once or twice, and then uninstall it with Revo (Free), being sure to Scan for leftovers and remove all.
Yes that was more or less the plan. Will keep you posted.
 

My Computer

System One

  • OS
    Windows 11 Pro Version 22H2 (OS Build 22621.3155)
    Computer type
    PC/Desktop
    Manufacturer/Model
    Intel NUC12WSHi7
    CPU
    Intel Core i7-1260P
    Motherboard
    Intel NUC12WSHi7
    Memory
    64Gb
    Graphics Card(s)
    Intel Iris Xe Graphics
    Sound Card
    Intel Smart Sound for USB
    Monitor(s) Displays
    LG 34WP500 UltraWide Monitor
    Screen Resolution
    2560x1080
    Hard Drives
    Adata Legend 710 2Tb SSD
    PNY CS9000 2Tb SSD
    Keyboard
    Logitech K540 Bluetooth
    Mouse
    Logitech M310 Bluetooth
    Internet Speed
    200Mbps
    Browser
    Chrome
    Antivirus
    Avast Free Antivirus
In Revo, if you look for the options, after you select the app and click Uninstall, you'll find the options about scanning and removing all leftovers.
 

My Computers

System One System Two

  • OS
    11 Pro 23H2 22631.3155
    Computer type
    PC/Desktop
    Manufacturer/Model
    Lenovo ThinkCentre M920S SFF
    CPU
    i7-9700 @ 3.00GHz
    Motherboard
    Lenovo 3132
    Memory
    32GBDDR4 @ 2666MHz
    Graphics Card(s)
    Intel HD 630 Graphics onboard
    Sound Card
    Realtek HD Audio
    Monitor(s) Displays
    LG E2442
    Screen Resolution
    1920x1080
    Hard Drives
    1 x Samsung 970 EVO PLUS 500GB NVMe SSD, 1 x WD_BLACK SN770
    250GB NVMe SSD (OS and programs), 1 x WD_BLACK SN770
    500GB NVMe SSD (Data)
    Case
    Lenovo SFF
    Keyboard
    Cherry Stream TKL JK-8600US-2 Wired
    Mouse
    LogiTech M510 wireless
    Internet Speed
    Fast (for fixed wireless!)
    Browser
    Chrome, sometimes Firefox
    Antivirus
    Malwarebytes Premium & Defender (working together beautifully!)
  • Operating System
    11 Pro 23H2 22631.3155
    Computer type
    PC/Desktop
    Manufacturer/Model
    Lenovo ThinkCentre M920S SFF
    CPU
    i5-8400 @ 2.80GHz
    Motherboard
    Lenovo 3132
    Memory
    32GB DDR4 @ 2600MHz
    Graphics card(s)
    Intel HD 630 Graphics onboard
    Sound Card
    Realtek High Definition Audio onboard
    Monitor(s) Displays
    LG FULL HD (1920x1080@59Hz)
    Screen Resolution
    1920 x 1080
    Hard Drives
    1 x Samsung 970 EVO PLUS NVMe; 1 x Samsung 980 NVMe SSD
    Case
    Lenovo Think Centre SFF
    Mouse
    LogiTech M510 wireless
    Keyboard
    Cherry Stream TKL JK-8600US-2 Wired
    Internet Speed
    Fast (for fixed wireless!)
    Browser
    Chrome
    Antivirus
    Malwarebytes Premium and MS Defender, beautiful together
In Revo, if you look for the options, after you select the app and click Uninstall, you'll find the options about scanning and removing all leftovers.
Great, thanks again !
 

My Computer

System One

  • OS
    Windows 11 Pro Version 22H2 (OS Build 22621.3155)
    Computer type
    PC/Desktop
    Manufacturer/Model
    Intel NUC12WSHi7
    CPU
    Intel Core i7-1260P
    Motherboard
    Intel NUC12WSHi7
    Memory
    64Gb
    Graphics Card(s)
    Intel Iris Xe Graphics
    Sound Card
    Intel Smart Sound for USB
    Monitor(s) Displays
    LG 34WP500 UltraWide Monitor
    Screen Resolution
    2560x1080
    Hard Drives
    Adata Legend 710 2Tb SSD
    PNY CS9000 2Tb SSD
    Keyboard
    Logitech K540 Bluetooth
    Mouse
    Logitech M310 Bluetooth
    Internet Speed
    200Mbps
    Browser
    Chrome
    Antivirus
    Avast Free Antivirus
HKEY_CLASSES_ROOT\*\shellex\ContextMenuHandlers\Foxit_ConvertToPDF_Reader
 

My Computers

System One System Two

  • OS
    Windows 11 Pro 23H2 22631.3155
    Computer type
    PC/Desktop
    Manufacturer/Model
    Dell Optiplex 7080
    CPU
    i9-10900 10 core 20 threads
    Motherboard
    DELL 0J37VM
    Memory
    32 gb
    Graphics Card(s)
    none-Intel UHD Graphics 630
    Sound Card
    Integrated Realtek
    Monitor(s) Displays
    Benq 27
    Screen Resolution
    2560x1440
    Hard Drives
    1tb Solidigm m.2 +256gb ssd+512 gb usb m.2 sata
    PSU
    500w
    Case
    MT
    Cooling
    Dell Premium
    Keyboard
    Logitech wired
    Mouse
    Logitech wireless
    Internet Speed
    so slow I'm too embarrassed to tell
    Browser
    Firefox
    Antivirus
    Defender+MWB Premium
  • Operating System
    Windows 10 Pro 22H2 19045.3930
    Computer type
    PC/Desktop
    Manufacturer/Model
    Dell Optiplex 9020
    CPU
    i7-4770
    Memory
    24 gb
    Monitor(s) Displays
    Benq 27
    Screen Resolution
    2560x1440
    Hard Drives
    256 gb Toshiba BG4 M.2 NVE SSB and 1 tb hdd
    PSU
    500w
    Case
    MT
    Cooling
    Dell factory
    Mouse
    Logitech wireless
    Keyboard
    Logitech wired
    Internet Speed
    still not telling
    Browser
    Firefox
    Antivirus
    Defender+MWB Premium
HKEY_CLASSES_ROOT\*\shellex\ContextMenuHandlers\Foxit_ConvertToPDF_Reader
Might be, but I did an extensive set of registry searches with Foxit installed on one of my machines, and zilch of interest came up.
 

My Computers

System One System Two

  • OS
    11 Pro 23H2 22631.3155
    Computer type
    PC/Desktop
    Manufacturer/Model
    Lenovo ThinkCentre M920S SFF
    CPU
    i7-9700 @ 3.00GHz
    Motherboard
    Lenovo 3132
    Memory
    32GBDDR4 @ 2666MHz
    Graphics Card(s)
    Intel HD 630 Graphics onboard
    Sound Card
    Realtek HD Audio
    Monitor(s) Displays
    LG E2442
    Screen Resolution
    1920x1080
    Hard Drives
    1 x Samsung 970 EVO PLUS 500GB NVMe SSD, 1 x WD_BLACK SN770
    250GB NVMe SSD (OS and programs), 1 x WD_BLACK SN770
    500GB NVMe SSD (Data)
    Case
    Lenovo SFF
    Keyboard
    Cherry Stream TKL JK-8600US-2 Wired
    Mouse
    LogiTech M510 wireless
    Internet Speed
    Fast (for fixed wireless!)
    Browser
    Chrome, sometimes Firefox
    Antivirus
    Malwarebytes Premium & Defender (working together beautifully!)
  • Operating System
    11 Pro 23H2 22631.3155
    Computer type
    PC/Desktop
    Manufacturer/Model
    Lenovo ThinkCentre M920S SFF
    CPU
    i5-8400 @ 2.80GHz
    Motherboard
    Lenovo 3132
    Memory
    32GB DDR4 @ 2600MHz
    Graphics card(s)
    Intel HD 630 Graphics onboard
    Sound Card
    Realtek High Definition Audio onboard
    Monitor(s) Displays
    LG FULL HD (1920x1080@59Hz)
    Screen Resolution
    1920 x 1080
    Hard Drives
    1 x Samsung 970 EVO PLUS NVMe; 1 x Samsung 980 NVMe SSD
    Case
    Lenovo Think Centre SFF
    Mouse
    LogiTech M510 wireless
    Keyboard
    Cherry Stream TKL JK-8600US-2 Wired
    Internet Speed
    Fast (for fixed wireless!)
    Browser
    Chrome
    Antivirus
    Malwarebytes Premium and MS Defender, beautiful together
I started with searching for FoxitPreviewhost.exe, and got nothing. I think he turned on a setting inside Foxit, and that set the shell thing. Revo should get it, but who knows?
 

My Computers

System One System Two

  • OS
    11 Pro 23H2 22631.3155
    Computer type
    PC/Desktop
    Manufacturer/Model
    Lenovo ThinkCentre M920S SFF
    CPU
    i7-9700 @ 3.00GHz
    Motherboard
    Lenovo 3132
    Memory
    32GBDDR4 @ 2666MHz
    Graphics Card(s)
    Intel HD 630 Graphics onboard
    Sound Card
    Realtek HD Audio
    Monitor(s) Displays
    LG E2442
    Screen Resolution
    1920x1080
    Hard Drives
    1 x Samsung 970 EVO PLUS 500GB NVMe SSD, 1 x WD_BLACK SN770
    250GB NVMe SSD (OS and programs), 1 x WD_BLACK SN770
    500GB NVMe SSD (Data)
    Case
    Lenovo SFF
    Keyboard
    Cherry Stream TKL JK-8600US-2 Wired
    Mouse
    LogiTech M510 wireless
    Internet Speed
    Fast (for fixed wireless!)
    Browser
    Chrome, sometimes Firefox
    Antivirus
    Malwarebytes Premium & Defender (working together beautifully!)
  • Operating System
    11 Pro 23H2 22631.3155
    Computer type
    PC/Desktop
    Manufacturer/Model
    Lenovo ThinkCentre M920S SFF
    CPU
    i5-8400 @ 2.80GHz
    Motherboard
    Lenovo 3132
    Memory
    32GB DDR4 @ 2600MHz
    Graphics card(s)
    Intel HD 630 Graphics onboard
    Sound Card
    Realtek High Definition Audio onboard
    Monitor(s) Displays
    LG FULL HD (1920x1080@59Hz)
    Screen Resolution
    1920 x 1080
    Hard Drives
    1 x Samsung 970 EVO PLUS NVMe; 1 x Samsung 980 NVMe SSD
    Case
    Lenovo Think Centre SFF
    Mouse
    LogiTech M510 wireless
    Keyboard
    Cherry Stream TKL JK-8600US-2 Wired
    Internet Speed
    Fast (for fixed wireless!)
    Browser
    Chrome
    Antivirus
    Malwarebytes Premium and MS Defender, beautiful together
Windows said that the Foxit executable doesn't exist in the first screenshot.
 

My Computers

System One System Two

  • OS
    Windows 11 Pro x64 23H2
    Computer type
    PC/Desktop
    CPU
    Ryzen 9 5900X
    Motherboard
    ASRock B550 PG Velocita (UEFI-BIOS 2.40)
    Memory
    16 GB A-Data XPG Spectrix D41
    Graphics Card(s)
    Sapphire Nitro+ Radeon RX 6750 XT
    Monitor(s) Displays
    Alienware AW3423DWF OLED ultrawide
    Hard Drives
    Western Digital Black SN850 1 TB NVMe SSD
    PSU
    eVGA Supernova 750 G3
    Case
    Corsair 275R
    Internet Speed
    VTel FTTH 1 Gb down and 1 Gb up
  • Computer type
    PC/Desktop
    CPU
    Ryzen 7 5800X3D
    Motherboard
    Asus ROG Strix B550-F Gaming (UEFI-BIOS version 3405, which fixes " LogoFail" bug according to Asus)
    Memory
    16 GB
    Graphics card(s)
    Sparkle Titan Arc A770 16 GB
    Hard Drives
    Samsung 970 Pro 512 GB NVMe SSD
    PSU
    eVGA Supernova 650 GQ
    Case
    Fractal Focus G
HKEY_CLASSES_ROOT\*\shellex\ContextMenuHandlers\Foxit_ConvertToPDF_Reader
Would it be as simple as removing this key ? I vaguely though in this direction, but while I am not averse to some registry tweaking, anything with classes scares me.
 

My Computer

System One

  • OS
    Windows 11 Pro Version 22H2 (OS Build 22621.3155)
    Computer type
    PC/Desktop
    Manufacturer/Model
    Intel NUC12WSHi7
    CPU
    Intel Core i7-1260P
    Motherboard
    Intel NUC12WSHi7
    Memory
    64Gb
    Graphics Card(s)
    Intel Iris Xe Graphics
    Sound Card
    Intel Smart Sound for USB
    Monitor(s) Displays
    LG 34WP500 UltraWide Monitor
    Screen Resolution
    2560x1080
    Hard Drives
    Adata Legend 710 2Tb SSD
    PNY CS9000 2Tb SSD
    Keyboard
    Logitech K540 Bluetooth
    Mouse
    Logitech M310 Bluetooth
    Internet Speed
    200Mbps
    Browser
    Chrome
    Antivirus
    Avast Free Antivirus
Does the key exist in your system? Anytime one deletes or changes a key in the registry, they should first export the key.
Select the key>file>export>choose where to save it>OK
It saves it as a .reg file.
The key can always be imported back into the registry by double clicking on the file.

You can also try CCleaner. It is helpful in removing some context menu entries without you having to use registry. They are reversible within cCleaner. See screenshot.
 

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My Computers

System One System Two

  • OS
    Windows 11 Pro 23H2 22631.3155
    Computer type
    PC/Desktop
    Manufacturer/Model
    Dell Optiplex 7080
    CPU
    i9-10900 10 core 20 threads
    Motherboard
    DELL 0J37VM
    Memory
    32 gb
    Graphics Card(s)
    none-Intel UHD Graphics 630
    Sound Card
    Integrated Realtek
    Monitor(s) Displays
    Benq 27
    Screen Resolution
    2560x1440
    Hard Drives
    1tb Solidigm m.2 +256gb ssd+512 gb usb m.2 sata
    PSU
    500w
    Case
    MT
    Cooling
    Dell Premium
    Keyboard
    Logitech wired
    Mouse
    Logitech wireless
    Internet Speed
    so slow I'm too embarrassed to tell
    Browser
    Firefox
    Antivirus
    Defender+MWB Premium
  • Operating System
    Windows 10 Pro 22H2 19045.3930
    Computer type
    PC/Desktop
    Manufacturer/Model
    Dell Optiplex 9020
    CPU
    i7-4770
    Memory
    24 gb
    Monitor(s) Displays
    Benq 27
    Screen Resolution
    2560x1440
    Hard Drives
    256 gb Toshiba BG4 M.2 NVE SSB and 1 tb hdd
    PSU
    500w
    Case
    MT
    Cooling
    Dell factory
    Mouse
    Logitech wireless
    Keyboard
    Logitech wired
    Internet Speed
    still not telling
    Browser
    Firefox
    Antivirus
    Defender+MWB Premium
Does the key exist in your system? Anytime one deletes or changes a key in the registry, they should first export the key.
Select the key>file>export>choose where to save it>OK
It saves it as a .reg file.
The key can always be imported back into the registry by double clicking on the file.

You can also try CCleaner. It is helpful in removing some context menu entries without you having to use registry. They are reversible within cCleaner. See screenshot.
No, the key with that name does not exist. But when I use RegScanner to search for "foxit", I get 5470 hits πŸ™„ Cripes, what bloatware !
The first two are the ones (and the only ones) to contain "FoxitPreviewhost.exe", so I assume that's where ShellExView got it from. The file in question does no longer exist. I guess leaving these registry entries (and the other 5468) is just a bug in the Foxit uninstall program. Like "Foxit was here" graffity sprayed all over the place. I will make sure to stay clear of this program from now on.

I deleted the regkey (there was only one, it seems) and now ShellExView does not show it anymore. Sadly it does not solve my original problem ( Explorer crashes on right mouse click when two files are selected ) but at least it is one less thing to worry about.

Thanks all for your kind help !

rs.jpg
 

My Computer

System One

  • OS
    Windows 11 Pro Version 22H2 (OS Build 22621.3155)
    Computer type
    PC/Desktop
    Manufacturer/Model
    Intel NUC12WSHi7
    CPU
    Intel Core i7-1260P
    Motherboard
    Intel NUC12WSHi7
    Memory
    64Gb
    Graphics Card(s)
    Intel Iris Xe Graphics
    Sound Card
    Intel Smart Sound for USB
    Monitor(s) Displays
    LG 34WP500 UltraWide Monitor
    Screen Resolution
    2560x1080
    Hard Drives
    Adata Legend 710 2Tb SSD
    PNY CS9000 2Tb SSD
    Keyboard
    Logitech K540 Bluetooth
    Mouse
    Logitech M310 Bluetooth
    Internet Speed
    200Mbps
    Browser
    Chrome
    Antivirus
    Avast Free Antivirus
I'd try these suggestions

CLEAN BOOT
Perform a clean boot to eliminate software conflict causing the issue. If it doesn't happen in a clean boot, you have some software conflicting with Windows. Brink's procedure will help you weed out which one. Perform a Clean Boot in Windows 11 to Troubleshoot Software Conflicts Tutorial

SFC/DISM
Make sure you have no corrupt system files that is causing this problem. Open a command prompt as administrator and type sfc /scannow
Pay attention to the scan results to see if SFC found anything it could not repair. If it found corruption it could not fix followup with this command (note the spaces)
dism /online /cleanup-image /restorehealth
Restart computer

(Note-you can follow up with another sfc /scannow command to make sure that dism repaired the files)

Still no luck, do a repair install. Repair Install Windows 11 with an In-place Upgrade Tutorial
 

My Computers

System One System Two

  • OS
    Windows 11 Pro 23H2 22631.3155
    Computer type
    PC/Desktop
    Manufacturer/Model
    Dell Optiplex 7080
    CPU
    i9-10900 10 core 20 threads
    Motherboard
    DELL 0J37VM
    Memory
    32 gb
    Graphics Card(s)
    none-Intel UHD Graphics 630
    Sound Card
    Integrated Realtek
    Monitor(s) Displays
    Benq 27
    Screen Resolution
    2560x1440
    Hard Drives
    1tb Solidigm m.2 +256gb ssd+512 gb usb m.2 sata
    PSU
    500w
    Case
    MT
    Cooling
    Dell Premium
    Keyboard
    Logitech wired
    Mouse
    Logitech wireless
    Internet Speed
    so slow I'm too embarrassed to tell
    Browser
    Firefox
    Antivirus
    Defender+MWB Premium
  • Operating System
    Windows 10 Pro 22H2 19045.3930
    Computer type
    PC/Desktop
    Manufacturer/Model
    Dell Optiplex 9020
    CPU
    i7-4770
    Memory
    24 gb
    Monitor(s) Displays
    Benq 27
    Screen Resolution
    2560x1440
    Hard Drives
    256 gb Toshiba BG4 M.2 NVE SSB and 1 tb hdd
    PSU
    500w
    Case
    MT
    Cooling
    Dell factory
    Mouse
    Logitech wireless
    Keyboard
    Logitech wired
    Internet Speed
    still not telling
    Browser
    Firefox
    Antivirus
    Defender+MWB Premium
I'd try these suggestions

CLEAN BOOT
Perform a clean boot to eliminate software conflict causing the issue. If it doesn't happen in a clean boot, you have some software conflicting with Windows. Brink's procedure will help you weed out which one. Perform a Clean Boot in Windows 11 to Troubleshoot Software Conflicts Tutorial

SFC/DISM
Make sure you have no corrupt system files that is causing this problem. Open a command prompt as administrator and type sfc /scannow
Pay attention to the scan results to see if SFC found anything it could not repair. If it found corruption it could not fix followup with this command (note the spaces)
dism /online /cleanup-image /restorehealth
Restart computer

(Note-you can follow up with another sfc /scannow command to make sure that dism repaired the files)

Still no luck, do a repair install. Repair Install Windows 11 with an In-place Upgrade Tutorial
Thanks, this seems like the same list you posted in that other thread. I tried all of these and none helped 😒
 

My Computer

System One

  • OS
    Windows 11 Pro Version 22H2 (OS Build 22621.3155)
    Computer type
    PC/Desktop
    Manufacturer/Model
    Intel NUC12WSHi7
    CPU
    Intel Core i7-1260P
    Motherboard
    Intel NUC12WSHi7
    Memory
    64Gb
    Graphics Card(s)
    Intel Iris Xe Graphics
    Sound Card
    Intel Smart Sound for USB
    Monitor(s) Displays
    LG 34WP500 UltraWide Monitor
    Screen Resolution
    2560x1080
    Hard Drives
    Adata Legend 710 2Tb SSD
    PNY CS9000 2Tb SSD
    Keyboard
    Logitech K540 Bluetooth
    Mouse
    Logitech M310 Bluetooth
    Internet Speed
    200Mbps
    Browser
    Chrome
    Antivirus
    Avast Free Antivirus
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