The Sentinel64 service failed to start due to the following error: The system cannot find the device specified.

You notice that below event is repeatedly logged on your Windows System event log upon every restart of the system.  Here are couple of details I gathered which may come handy for someone looking for it.

Error:

Log Name:      System
Source:        Sentinel64
Event ID:      19
Task Category: None
Level:         Warning
Keywords:      Classic
User:          N/A
Computer:      TESTSRV2
Description:
The description for Event ID 19 from source Sentinel64 cannot be found. Either the component that raises this event is not installed on your local computer or the installation is corrupted. You can install or repair the component on the local computer.

If the event originated on another computer, the display information had to be saved with the event.

The following information was included with the event:

Analysis:

The Reported service is developed by SafeNet Inc. which is a security products vendor. 

aksdf    Aladdin Data Mini-Filter Driver    SafeNet Inc.    c:\windows\system32\drivers\aksdf.sys
aksfridge    SafeNet Inc. Sentinel HASP Ancillary Function Driver    SafeNet Inc.    c:\windows\system32\drivers\aksfridge.sys

The File and Registry Details:

C:\>dir c:\windows\system32\drivers\aks*.sys
Volume in drive C has no label.
Volume Serial Number is 3A1F-BF27 Directory of c:\windows\system32\drivers 07/27/2010  10:36 AM            75,648 aksdf.sys
09/27/2010  02:26 PM           131,072 aksfridge.sys
               2 File(s)        206,720 bytes
               0 Dir(s)  154,843,680,768 bytes free

C:\>reg query “HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\aksdf” /s

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\aksdf
    Type    REG_DWORD    0x1
    Start    REG_DWORD    0x2
    ErrorControl    REG_DWORD    0x1
    ImagePath    REG_EXPAND_SZ    \??\C:\Windows\system32\drivers\aksdf.sys
    DisplayName    REG_SZ    aksdf
    Group    REG_SZ    FSFilter Encryption
    DependOnService    REG_MULTI_SZ    FltMgr
    Description    REG_SZ    Aladdin Data Mini-Filter Driver

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\aksdf\Instances
    DefaultInstance    REG_SZ    aksdf Instance

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\aksdf\Instances\aksdf Instance
    Altitude    REG_SZ    145900
    Flags    REG_DWORD    0x0

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\aksdf\Enum
    0    REG_SZ    Root\LEGACY_AKSDF\0000
    Count    REG_DWORD    0x1
    NextInstance    REG_DWORD    0x1

C:\>reg query “HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\aksfridge” /s

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\aksfridge
    Type    REG_DWORD    0x1
    Start    REG_DWORD    0x2
    ErrorControl    REG_DWORD    0x1
    ImagePath    REG_EXPAND_SZ    \??\C:\Windows\system32\drivers\aksfridge.sys
    DisplayName    REG_SZ    aksfridge
    Description    REG_SZ    SafeNet Inc. Sentinel HASP Ancillary Function Driver

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\aksfridge\Enum
    0    REG_SZ    Root\LEGACY_AKSFRIDGE\0000
    Count    REG_DWORD    0x1
    NextInstance    REG_DWORD    0x1

C:\>

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p>These files are run under service “Sentinel HASP License Manager”                    

This service is part of Sentinel HASP, formerly Aladdin HASP SRM.

Fix: Uninstall or Remove the service.

Run below command as Administrator

C:\Windows\system32>sc delete “hasplms”
[SC] DeleteService SUCCESS

C:\Windows\system32>del c:\windows\system32\drivers\aks*.sys

C:\Windows\system32>dir c:\windows\system32\drivers\aks*.sys
Volume in drive C has no label.
Volume Serial Number is 3A1F-BF27

Directory of c:\windows\system32\drivers

File Not Found

C:\Windows\system32>