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What is spoolsv.exe?

Part of Spooler SubSystem App by Microsoft

(spoolsv.exe is a system file that is installed with Windows)
Download Boost and enjoy your PC. Speed up Spooler SubSystem App and optimize your PC.

How does spoolsv.exe run?

Service - spoolsv.exe runs as a background Windows service called 'Spooler' (Ουρά εκτύπωσης). This is a system service that is installed with the Windows operating system and protected with Window's File Protection. This service runs as the SYSTEM account with extensive privileges on the local computer, and acts as the computer on the network. Ουρά εκτύπωσης runs as a standard Windows service loaded by the Windows Service Controller (services.exe).

Community

What is the community is seeing?What is the community is doing?
About 0.6% of all Boost users have the spoolsv.exe process running.Of the 0.6% of spoolsv.exe users, less than 1% have disabled it.
How stable is Spooler SubSystem App?
Based on crash data discovered by Boost, stability is a measure of how sound this particular process and the average percent of times it crashes.
     spoolsv.exe0.03%
Typical program1.26%
How resource intensive is spoolsv.exe?
Comparison based on the average resource utilization across all programs.
0.00020% CPU1981.9%
Average CPU utilization across all programs is 0.00001%.
          3.31 MB RAM15.4%
Average private memory utilization across all programs is 21.53 MB.
     61 /min2.7%
Average I/O read and write operations for all programs is 2,253 per minute.
     6 context switches/sec6.0%
Average context switches for all programs is 100 per second.
Typical file (disk image) location:
C:\Windows\System32\spoolsv.exe

Are there other versions of Spooler SubSystem App?

What modules are loaded?

A module is a dynamic link library (DLL) or an executable file that is loaded into the process. Below is a list of non-system modules that are loaded by Spooler SubSystem App.

What else is related?

Spooler SubSystem App Stability

spoolsv.exe crashes or has encountered a critical error 0.8900% of the time.
1.  
Error: Stopped working (APPCRASH)
Occurred: over 6 months ago
2.  
Error: Stopped working (APPCRASH)
Occurred: over 6 months ago

What Windows OS versions does this run on?

Windows 8 (6.2.9200.0)
Windows 8 Enterprise (6.2.9200.0)
Windows 8 Enterprise Evaluation (6.2.9200.0)
Windows 8 Pro (6.2.9200.0)
Windows 8 Pro N (6.2.9200.0)
Windows 8 Pro with Media Center (6.2.9200.0)

About Microsoft Corporation

Microsoft, founded in 1975 by Bill Gates and Paul Allen, is a veteran software company, best known for its Microsoft Windows operating system and the Microsoft More...
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File details

File name: spoolsv.exe
Publisher: Microsoft Corporation (verified)
Name: Spooler SubSystem App
Description: Microsoft® Windows® Operating System
Version: 6.2.9200.16384 (win8_rtm.120725-1247)
Product version: 6.2.9200.16384
Size: 485 KB
Original file name: spoolsv.exe.mui
Windows file protection: Yes

Resource utilization

CPU utilization averages
Total CPU: 0.0008347104%
Privileged CPU: 0.0006365155%
User CPU: 0.00019819491893%
Privileged CPU time: 839545.92 ms
Privileged CPU time /min: 8 ms
CPU cycle count: 442,978,075
CPU cycle count /min: 73,243,361
Context switches /sec: 6
Memory utilization averages
Committed memory: 49.49 MB
Peak committed memory: 52.19 MB
Paged memory: 3.31 MB
Peak paged memory: 3.84 MB
Paged system memory: 96.38 KB
Non-paged system memory: 11.57 KB
Working set memory: 5.99 MB
Peak working set memory: 8.94 MB
Min working set memory: 5.27 MB
Private memory: 3.31 MB
Page faults: 132,651
Page faults /min: 88
Process I/O averages
Total read operations: 90,774
Read operations /min: 54
Total read transfer: 32.33 MB
Read transfer /min: 511.48 KB
Total write operations: 10,867
Write operations /min: 7
Write transfer /min: 41.05 KB
Total other operations: 528,633
Other operations /min: 320
Total other transfer: 3.91 MB
Other Transfer /min: 3.37 KB
Resources
Handle count average: 373
Thread count average: 13
Thread resource averages
ntdll.dll
ntdll.dll
fdpnp.dll
localspl.dll
sechost.dll
printisolationproxy.dll
fundisc.dll
localspl.dll

Process details

Runs as (owner): System
Integrety level: System
Windows platform: 32-bit
Runs as a service: Yes
Parent Processes
Child Process
Process Commands
C:\Windows\System32\spoolsv.exe
C:\WINDOWS\System32\spoolsv.exe

Service details

Name: Ουρά εκτύπωσης
Service name: Spooler
Service type: Win32OwnProcess, InteractiveProcess
Description: “Φορτώνει αρχεία στη μνήμη για να εκτυπωθούν αργότερα”

Network connectivity

UDP: LISTENING on port 59898
TCP: localhost on port 49166
TCP: localhost on port 49169
TCP: localhost on port 49160

Image hashes

MD5: d246a6f32cd74a0ae1f00ef7c73a1dbc
SHA-1: 1ec9b95aedff7eb09e0c7c4c8ecde473c9609328
SHA-256: 771cfd6d6474de9cf0abaf2af3e800125217cc7eaea92d6d04f8274080961e5e

PE image details

Langauge*: Microsoft Visual C++
File entropy: 6.40154
File packed: No
Import Table
advapi32.dll
api-ms-win-core-console-l1-1-0.dll
api-ms-win-core-debug-l1-1-1.dll
api-ms-win-core-errorhandling-l1-1-1.dll
api-ms-win-core-file-l1-2-0.dll
api-ms-win-core-file-l2-1-0.dll
api-ms-win-core-handle-l1-1-0.dll
api-ms-win-core-heap-l1-2-0.dll
api-ms-win-core-interlocked-l1-2-0.dll
api-ms-win-core-libraryloader-l1-1-1.dll
api-ms-win-core-localregistry-l1-1-0.dll
api-ms-win-core-processthreads-l1-1-1.dll
api-ms-win-core-profile-l1-1-0.dll
api-ms-win-core-registry-l1-1-0.dll
api-ms-win-core-string-l1-1-0.dll
api-ms-win-core-synch-l1-2-0.dll
api-ms-win-core-sysinfo-l1-2-0.dll
api-ms-win-eventing-classicprovider-l1-1-0.dll
api-ms-win-power-base-l1-1-0.dll
api-ms-win-security-base-l1-2-0.dll
api-ms-win-service-core-l1-1-0.dll
api-ms-win-service-core-l1-1-1.dll
dnsapi.dll
kernel32.dll
msvcrt.dll
ntdll.dll
powrprof.dll
rpcrt4.dll
slc.dll
user32.dll
Export Table
getspoolertlsindexes
prvabortprinter
prvaddformw
prvaddjobw
prvaddmonitorw
prvaddpermachineconnectionw
prvaddportexw
prvaddportw
prvaddprinterconnectionw
prvaddprinterdriverexw
prvaddprinterdriverw
prvaddprinterexw
prvaddprinterw
prvaddprintprocessorw
prvaddprintprovidorw
prvadjustpointers
prvadjustpointersinstructuresarray
prvalignkmptr
prvalignrpcptr
prvallocsplstr
prvallowremotecalls
prvappendprinternotifyinfodata
prvbgetdevmodeperuser
prvbsetdevmodeperuser
prvbuildothernamesfrommachinename
prvcacheaddname
prvcachecreateandaddnode
prvcachecreateandaddnodewithipaddresses
prvcachedeletenode
prvcacheisnamecluster
prvcacheisnameinnodelist
prvcalldrvdevmodeconversion
prvcallrouterfindfirstprinterchangenotification
prvchecklocalcall
prvcloseprinter
prvclustersplclose
prvclustersplisalive
prvclustersplopen
prvconfigureportw
prvcreateprinteric
prvdeleteformw
prvdeletemonitorw
prvdeletepermachineconnectionw
prvdeleteportw
prvdeleteprinter
prvdeleteprinterconnectionw
prvdeleteprinterdataexw
prvdeleteprinterdataw
prvdeleteprinterdriverexw
prvdeleteprinterdriverw
prvdeleteprinteric
prvdeleteprinterkeyw
prvdeleteprintprocessorw
prvdeleteprintprovidorw
prvdllallocsplmem
prvdllallocsplstr
prvdllfreesplmem
prvdllfreesplstr
prvdllreallocsplmem
prvdllreallocsplstr
prvenddocprinter
prvendpageprinter
prvenumformsw
prvenumjobsw
prvenummonitorsw
prvenumpermachineconnectionsw
prvenumportsw
prvenumprinterdataexw
prvenumprinterdataw
prvenumprinterdriversw
prvenumprinterkeyw
prvenumprintersw
prvenumprintprocessordatatypesw
prvenumprintprocessorsw
prvfindcloseprinterchangenotification
prvflushprinter
prvformatprinterforregistrykey
prvformatregistrykeyforprinter
prvfreeothernames
prvgetformw
prvgetjobattributes
prvgetjobattributesex
prvgetjobw
prvgetnetworkid
prvgetprinterdataexw
prvgetprinterdataw
prvgetprinterdriverdirectoryw
prvgetprinterdriverexw
prvgetprinterdriverw
prvgetprinterw
prvgetprintprocessordirectoryw
prvgetserverpolicy
prvgetshrinkedsize
prvgetspoolertlsindexes
prvimpersonateprinterclient
prvinitializerouter
prvisnamedpiperpccall
prvisnamethelocalmachineoraclusterspooler
prvmarshalldownstructure
prvmarshalldownstructuresarray
prvmarshallupstructure
prvmarshallupstructuresarray
prvmidl_user_allocate
prvmidl_user_allocate1
prvmidl_user_free
prvmidl_user_free1
prvoldgetprinterdriverw
prvopenprinter2w
prvopenprinterexw
prvopenprinterport2w
prvopenprinterw
prvpackstrings
prvpartialreplyprinterchangenotification
prvplaygdiscriptonprinteric
prvprinterhandlerundown
prvprintermessageboxw
prvprovidorfindcloseprinterchangenotification
prvprovidorfindfirstprinterchangenotification
prvreadprinter
prvreallocsplmem
prvreallocsplstr
prvremotefindfirstprinterchangenotification
prvreplycloseprinter
prvreplyopenprinter
prvreplyprinterchangenotification
prvreplyprinterchangenotificationex
prvreportjobprocessingprogress
prvresetprinterw
prvreverttoprinterself
prvrouteraddprinterconnection2
prvrouterallocbidimem
prvrouterallocbidiresponsecontainer
prvrouterallocprinternotifyinfo
prvrouterbroadcastmessage
prvroutercoreprinterdriverinstalled
prvroutercreateprintasyncnotificationchannel
prvrouterdeleteprinterdriverpackage
prvrouterfindcompatibledriver
prvrouterfindfirstprinterchangenotification
prvrouterfindnextprinterchangenotification
prvrouterfreebidimem
prvrouterfreebidiresponsecontainer
prvrouterfreeprinternotifyinfo
prvroutergetcoreprinterdrivers
prvroutergetprintclassobject
prvroutergetprinterdriverpackagepath
prvrouterinstallprinterdriverfrompackage
prvrouterinternalgetprinterdriver
prvrouterrefreshprinterchangenotification
prvrouterregisterforprintasyncnotifications
prvrouterreplyprinter
prvrouterspoolersetpolicy
prvrouterunregisterforprintasyncnotifications
prvrouteruploadprinterdriverpackage
prvschedulejob
prvseekprinter
prvsendrecvbididata
prvsetformw
prvsetjobw
prvsetportw
prvsetprinterdataexw
prvsetprinterdataw
prvsetprinterw
prvsplclosespoolfilehandle
prvsplcommitspooldata
prvspldriverunloadcomplete
prvsplgetclientuserhandle
prvsplgetspoolfileinfo
prvsplgetusersidstringfromtoken
prvsplinitializewinspooldrv
prvsplissessionzero
prvsplisupgrade
prvsplpowerevent
prvsplprocesspnpevent
prvsplprocesssessionevent
prvsplpromptuiinuserssession
prvsplqueryuserinfo
prvsplreadprinter
prvsplregisterfordeviceevents
prvsplregisterforsessionevents
prvsplshutdownrouter
prvsplunregisterfordeviceevents
prvsplunregisterforsessionevents
prvspoolerfindcloseprinterchangenotification
prvspoolerfindfirstprinterchangenotification
prvspoolerfindnextprinterchangenotification
prvspoolerfreeprinternotifyinfo
prvspoolerhasinitialized
prvspoolerinit
prvspoolerrefreshprinterchangenotification
prvstartdocprinterw
prvstartpageprinter
prvundoalignkmptr
prvundoalignrpcptr
prvupdatebuffersize
prvupdateprinterregall
prvupdateprinterreguser
prvwaitforprinterchange
prvwaitforspoolerinitialization
prvwriteprinter
prvxcvdataw
servergetprintclassobject
servergettlsbindinghandle
yabortprinter
yaddjob
ydriverunloadcomplete
yenddocprinter
yendpageprinter
yflushprinter
ygetprinter
ygetprinterdriver2
ygetprinterdriverdirectory
yreadprinter
yseekprinter
ysetjob
ysetport
ysetprinter
ysplreadprinter
ystartdocprinter
ystartpageprinter
ywriteprinter
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