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What is jqs.exe?

Part of IBM Developer Kit for Windows,Java,1.6.0 by IBM

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How does jqs.exe run?

Service - jqs.exe runs as a background Windows service called 'JavaQuickStarterService' (Java Quick Starter). This service runs as the SYSTEM account with extensive privileges on the local computer, and acts as the computer on the network. Java Quick Starter runs as a program that can be started by the Service Controller and that obeys the service control protocol. This type of service runs in a process by itself.


What is the community is seeing?What is the community is doing?
About 0.3% of all Boost users have the jqs.exe process running.Of the 0.3% of jqs.exe users, 16.7% have disabled it.
How resource intensive is jqs.exe?
Comparison based on the average resource utilization across all programs.
0.00001% CPU79.2%
Average CPU utilization across all programs is 0.00001%.
          2.88 MB RAM13.4%
Average private memory utilization across all programs is 21.53 MB.
     225 /min10.0%
Average I/O read and write operations for all programs is 2,253 per minute.
         5 GDI objects3.3%
Average number of GUI GDI and USER objects for all programs is 150.
          12 context switches/sec12.0%
Average context switches for all programs is 100 per second.
Typical file (disk image) location:
C:\Program Files\ibm\java60\jre\bin\jqs.exe

What else is related?

What Windows OS versions does this run on?

Microsoft Windows XP (5.1.2600.196608)
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File details

File name: jqs.exe
Publisher: IBM (verified)
Name: IBM Developer Kit for Windows,Java,1.6.0
Description: Java(TM) Quick Starter Service
Version: 6.0.0-20120412_01
Size: 149.84 KB
Original file name: jqs.exe

Digital certificate

Certificate authority: VeriSign
Effective date: 9/25/2011
Expiration date: 9/25/2014

Resource utilization

CPU utilization averages
Total CPU: 0.0000252186%
Privileged CPU: 0.0000172952%
User CPU: 0.00000792339820%
Privileged CPU time: 1623203.12 ms
Privileged CPU time /min: 166 ms
Context switches /sec: 12
Memory utilization averages
Committed memory: 38.41 MB
Peak committed memory: 40.66 MB
Paged memory: 2.88 MB
Peak paged memory: 4.18 MB
Paged system memory: 30.34 KB
Non-paged system memory: 34.42 KB
Working set memory: 1.88 MB
Peak working set memory: 4.2 MB
Min working set memory: 1.38 MB
Private memory: 2.88 MB
Page faults: 24,366,705
Page faults /min: 2,491
Process I/O averages
Total read operations: 1,541,866
Read operations /min: 158
Total read transfer: 230.48 MB
Read transfer /min: 2.54 MB
Total write operations: 650,953
Write operations /min: 67
Total write transfer: 44.51 MB
Write transfer /min: 4.66 KB
Total other operations: 74,655,431
Other operations /min: 7,633
Total other transfer: 693.88 MB
Other Transfer /min: 72.64 KB
GUI Object Averages
GDI objects: 5
USER objects: 2
Handle count average: 195
Thread count average: 5
Thread resource averages

Process details

Runs as (owner): System
Integrety level: Undefined
Windows platform: 32-bit
Runs as a service: Yes
Parent Process
Process Command
"C:\Program Files\IBM\Java60\jre\bin\jqs.exe" -service -config "C:\Program Files\IBM\Java60\jre\lib\deploy\jqs\jqs.conf"

Service details

Name: Java Quick Starter
Service name: JavaQuickStarterService
Service type: Win32OwnProcess
Description: “Prefetches JRE files for faster startup of Java applets and applications”

Network connectivity

TCP: localhost on port 5152

Image hashes

MD5: 91b6cc872a227917f4bb7e6c63e54f8d
SHA-1: b4d5133a264db9d0f4a492f34f414f7321b57201

PE image details

Subsystem: Windows Console
Langauge*: Microsoft Visual C++ 7.1
File packed: No
Import Table
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