Should I block it?

No, this file is 100% safe to run.

VersionsAdditional versions

1.75.0.2 20.00%
1.71.0.3 40.00%
1.60.0.6 20.00%
1.40 20.00%

Relationships

PE structurePE file structure
Show functions
Import table
advapi32.dll
SetEntriesInAclA, InitializeSecurityDescriptor, SetSecurityDescriptorDacl, FreeSid, AllocateAndInitializeSid
kernel32.dll
SetUnhandledExceptionFilter, UnhandledExceptionFilter, GetCurrentProcess, TerminateProcess, GetSystemTimeAsFileTime, GetCurrentProcessId, GetCurrentThreadId, GetTickCount, QueryPerformanceCounter, RtlUnwind, InterlockedCompareExchange, Sleep, InterlockedExchange, ReleaseMutex, WaitForSingleObject, DeviceIoControl, LocalAlloc, CreateFileA, CreateMutexA, LocalFree, CloseHandle, IsBadWritePtr
msvcrt.dll
DllMain
Export table
ShockproofCallSMAPIBIOS
ShockproofControl
ShockproofEnableDisableSnooze
ShockproofGetAccelerometerData
ShockproofGetAccelerometerDataEx
ShockproofGetAccelerometerMutex
ShockproofGetAutoDisable
ShockproofGetPenAbility
ShockproofGetPenDelayTime
ShockproofGetPenFeature
ShockproofGetShockStatus
ShockproofGetSlaveCPUinfo
ShockproofGetUnloadCnt
ShockproofGetVersion
ShockproofInformPMevent
ShockproofInvokeSnooze
ShockproofManualSensitivitySetting
ShockproofReleaseAccelerometerMutex
ShockproofSetAutoDisable
ShockproofSetPenDelayTime
ShockproofSetPenFeature
ShockproofSnoozeSetting
ShockproofTaskComplete

Sensor.dll

ThinkVantage Active Protection System by Lenovo(Japan)Ltd. (Signed)

Remove Sensor.dll
Version:   1.71.0.3
MD5:   6f026657f76fd545b6cdba7a519c3d2f
SHA1:   fc9d65c740fb2d7dbe2aad05d424d54eb7812fef
SHA256:   1bce288fc1b69a66542ca5f963409f1cd72845285840896e2b4a90acde8464fb

What is Sensor.dll?

ThinkVantage Active Protection System - Shock Sensor Module. The APS is a protection system for the ThinkPad's internal harddrive. A sensor inside the ThinkPad recognizes when the notebook is accelerated. A software applet then is triggered to park the harddisk. This way the risk of data loss in case of when the notebook is dropped is significantly reduced since the read/write head of the harddrive is parked and hence can't crash onto the platter when the notebook drops onto the floor.

Overview

sensor.dll is loaded as dynamic link library that runs in the context of a process. This is typically installed with the program ThinkVantage Active Protection System published by Lenovo. The file is digitally signed by Lenovo(Japan)Ltd. which was issued by the VeriSign certificate authority (CA).

DetailsDetails

File name:sensor.dll
Publisher:Lenovo.
Product name:ThinkVantage Active Protection System
Description:ThinkVantage Active Protection System - Shock Sensor Module
Typical file path:C:\Windows\System32\sensor.dll
File version:1.71.0.3
Product version:1.71
Size:19.78 KB (20,256 bytes)
Certificate
Issued to:Lenovo(Japan)Ltd.
Authority (CA):VeriSign
Effective date:Tuesday, October 5, 2010
Expiration date:Thursday, October 6, 2011
Digital DNA
PE subsystem:Windows GUI
File packed:No
Code language:Microsoft Visual C++
.NET CLR:No
More details

ResourcesPrograms

The following program will install this file
ThinkVantage Active Protection System
 Lenovo
3% remove
The Active Protection system is enabled by default whenever the computer and operating system are operating. The system will not be able to access the hard disk drive during the time that the Active Protection system has unloaded the hard disk drive heads due to a tilt or drop motion being detected.

Windows OS versionsDistribution by Windows OS

OS versiondistribution
Microsoft Windows XP 50.00%
Windows 7 Professional 25.00%
Windows Vista Business 25.00%

Distribution by countryDistribution by country

BG installs about 50.00% of ThinkVantage Active Protection System.

OEM distributionDistribution by PC manufacturer

PC Manufacturerdistribution
Lenovo 100.00%
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