Download the latest from the official Thales (formerly Gemalto) support portal.

Type and hit Enter to open Programs and Features. Scroll down the list to find Sentinel Runtime or HASP LDK . Right-click the software and select Uninstall . Restart your computer immediately to apply the changes. Step 2: Run the Official Sentinel HASP Vendor Purge

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: This common error occurs when the Sentinel LDK Protection System fails to verify your license, often after a Windows 10 or 11 update.

Abrupt computer shutdowns or security software interventions can flag essential LDK .sys files as malware, resulting in an "Internal Error 0x7101" crash upon startup.