Uninstalling the Minidriver

You can use the Device Manager to remove the Crescendo 2300 Minidriver.

1. Run the Device Manager.

   

2. Select the supported device Standalone and ActivID CMS managed device - HID Crescendo Key or HID Crescendo 2300 or HID Crescendo 2300 iCLASS CL or HID Crescendo 2300 MIFare Dual Interface you are bearing and right-click; then select Uninstall device.

   

3. Click Uninstall.

This operation removes the files of the Driver Store.

The DLLs and some of the registry keys are removed but the user will need to delete the remaining registry keys manually as well as the DLLs, according to the OS.

Remove DLLs

On 2019 and 2022 servers, the DLLs are not removed automatically; the user has to remove the following DLLs manually:

• C:\Windows\System32\hidc2300md64.dll
• C:\Windows\SysWOW64\hidc2300md.dll

Delete Registry Keys

According to the OS, all registry keys are not deleted automatically and the user has to delete the registry keys.

The Registry Keys on x64 platforms sections list the keys which may still be present in the key registry.

Registry Keys on x64 platforms

"SOFTWARE\HID Global\SharedStore\RemanentDataStore\{479193D1-2A7A-4C6C-8A14-30F4607E5207}"
"SOFTWARE\HID Global\SharedStore\RemanentDataStore\{9E39E304-8DB0-4C43-A421-97F27202CD79}"
"SOFTWARE\HID Global\SharedStore\StoreList\{BED19EEC-4AFD-44D9-A7DD-B91DE78BC7E2}"
"SOFTWARE\HID Global\SharedStore\StoreList\{CC900D8F-5CC4-4FF8-AF7F-7F0FEF2ED8EF}"
"SOFTWARE\HID Global\SharedStore\StoreList\{DF0FDD04-6072-4280-83DF-E8FDFB369B5B}"
"SOFTWARE\HID Global\SharedStore\StoreList\{479193D1-2A7A-4C6C-8A14-30F4607E5207}"
"SOFTWARE\HID Global\SharedStore\StoreList\{9E39E304-8DB0-4C43-A421-97F27202CD79}"

"SOFTWARE\Microsoft\Cryptography\Calais\SmartCards\HID Global Crescendo C2300"
"SOFTWARE\Microsoft\Cryptography\Calais\SmartCards\HID Global Crescendo C2300 CL"
"SOFTWARE\Microsoft\Cryptography\Calais\SmartCards\HID Global Crescendo C2300 iCLASS CL"
"SOFTWARE\Microsoft\Cryptography\Calais\SmartCards\HID Global Crescendo Key"
"SOFTWARE\Microsoft\Cryptography\Calais\SmartCards\HID Global Crescendo Key CL"

"SOFTWARE\Wow6432Node\Microsoft\Cryptography\Calais\SmartCards\HID Global Crescendo C2300"
"SOFTWARE\Wow6432Node\Microsoft\Cryptography\Calais\SmartCards\HID Global Crescendo C2300 CL"
"SOFTWARE\Wow6432Node\Microsoft\Cryptography\Calais\SmartCards\HID Global Crescendo Key"
"SOFTWARE\Wow6432Node\Microsoft\Cryptography\Calais\SmartCards\HID Global Crescendo Key CL"
"SOFTWARE\Wow6432Node\Microsoft\Cryptography\Calais\SmartCards\HID Global Crescendo C2300 iCLASS CL"

“SOFTWARE\HID Global\C2300MD”