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What is TPHDEXLG.exe?

Part of ThinkVantage Active Protection System by Lenovo.

What is it?

ThinkVantage Active Protection System - HDD Logger 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.
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How does tphdexlg.exe run?

Service - TPHDEXLG.exe runs as a background Windows service (TPHDEXLGSVC). This service runs as the SYSTEM account with extensive privileges on the local computer, and acts as the computer on the network.


What is the community is seeing?What is the community is doing?
About 0.4% of all Boost users have the tphdexlg.exe process running.Of the 0.4% of tphdexlg.exe users, 12.5% have disabled it.
How resource intensive is TPHDEXLG.exe?
Comparison based on the average resource utilization across all programs.
0.00004% CPU369.9%
Average CPU utilization across all programs is 0.00001%.
     806.67 KB RAM3.7%
Average private memory utilization across all programs is 21.53 MB.
 16 /min0.7%
Average I/O read and write operations for all programs is 2,253 per minute.
Typical file (disk image) location:

Are there other versions of ThinkVantage Active Protection...?

What else is related?

What Windows OS versions does this run on?

Windows Vista (TM) Business (6.0.6002.131072)
Microsoft Windows 7 Ultimate (6.1.7600.0)
Windows 7 Ultimate (6.1.7600.0)

About Lenovo.

Lenovo Group Limited engages in manufacturing and distribution of IT products and services. It offers laptops, desktops, workstations, servers, batteries and po More...
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File details

File name: TPHDEXLG.exe
Publisher: Lenovo. (verified)
Name: ThinkVantage Active Protection System
Description: ThinkVantage Active Protection System - HDD Logger Module
Product version: 1.60
Size: 36.54 KB
Original file name: TPHDEXLG.exe

Digital certificate

Certificate authority: VeriSign
Effective date: 10/29/2007
Expiration date: 10/29/2008

Resource utilization

CPU utilization averages
Total CPU: 0.0000950870%
Privileged CPU: 0.0000581006%
User CPU: 0.00003698639955%
Total CPU time: 47,367 ms
Total CPU time /min: 1 ms
Privileged CPU time: 31678.6 ms
Privileged CPU time /min: 1 ms
User CPU time: 15808.1 ms
User CPU time /min: 0 ms
CPU cycle count: 71,607,290
CPU cycle count /min: 7,998,123
Memory utilization averages
Committed memory: 25.48 MB
Peak committed memory: 26.18 MB
Paged memory: 806.67 KB
Peak paged memory: 820 KB
Paged system memory: 42.78 KB
Non-paged system memory: 2.84 KB
Working set memory: 1.8 MB
Peak working set memory: 2.54 MB
Min working set memory: 1.75 MB
Private memory: 806.67 KB
Page faults: 2,789
Page faults /min: 1
Process I/O averages
Total read operations: 91,310
Read operations /min: 15
Total read transfer: 8.45 MB
Read transfer /min: 1.21 KB
Total write operations: 649
Write operations /min: 1
Total write transfer: 75.44 KB
Write transfer /min: 6 Bytes
Total other operations: 5,551,442
Other operations /min: 175
Total other transfer: 43.97 MB
Other Transfer /min: 1.42 KB
Handle count average: 76
Thread count average: 6
Thread resource averages

Process details

Runs as (owner): System
Integrety level: System
Windows platform: 32-bit
Runs as a service: Yes
Parent Processes
Process Command

Service details


Image hashes

MD5: 51b679f627a43a25ef9444ad23bbff9a
SHA-1: ffd1e6656feacbe394e3fa7635a097cfde5b5f04
SHA-256: 25209ff2e9d06fb0e653452f087c95eeed6bcf07fc57b90263b98fe4dbbd1e0a

PE image details

Subsystem: Windows Console
Langauge*: Microsoft Visual C++
File entropy: 6.63188
File packed: No
Import Table
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