MARX(R) CryptoTech LP - USB - 2.0.21.426 Driver 2.0.21.426
by Marx(R) CryptoTech LPWindows 10ARM64SHA-256 verified
- Manufacturer
- Marx(R) CryptoTech LP
- Device
- MARX(R) CryptoTech LP - USB - 2.0.21.426
- Driver version
2.0.21.426- Release date
- September 14, 2021
- Supported Windows
- Windows 10
- Architecture
- ARM64
- File size
- 45 KB
- File name
cbusb2_arm64_e2dc420eba80c4037a136b4af3d1ebb1d4acea64.cab- Digital signature
- Signed - catalog
cbusb2_arm64.cat - INF version
09/14/2021,2.0.21.426- INF provider
- MARX(R) CryptoTech LP
- Device class
- USB
- Source
- Microsoft Update Catalog
- Last verified
- July 8, 2026
- SHA-256
12dc0552f78d5e191de8da027bea7781e4b725d9f6a3c5564c64d6aec311781a
Supported hardware IDs (1)
Compare with your device: Device Manager → right-click the device → Properties → Details → Hardware Ids. If one of the values above matches, this driver supports your hardware.
How to install
- Create a restore point(Start → "Create a restore point" → Create), so you can roll back if anything goes wrong.
- Verify compatibility: your Windows version (Windows 10) and architecture (arm64)must match this driver, and your device's Hardware ID should appear in the list above.
- Download the file using the button - it comes directly from Microsoft Update Catalog.
- Optionally verify the checksum: open PowerShell, run
Get-FileHash your-download.cab -Algorithm SHA256and compare with the SHA-256 above. - Extract the .cab archive: right-click → Extract All, or run
expand -F:* file.cab C:\driver\in Command Prompt. - Install via Device Manager: right-click your device → Update driver → Browse my computer → point to the extracted folder. Alternatively run
pnputil /add-driver C:\driver\*.inf /install. - Check Device Manager: the device should show no warning icons, and the driver version should match.
How to roll back
If the device stops working after the update: Device Manager → right-click the device → Properties → Driver tab → Roll Back Driver. If the button is greyed out, use the restore point from step 1 (Start → "Recovery" → Open System Restore).