Should I block it?

No, this file is 100% safe to run.

VersionsAdditional versions

6.3.9600.16384 (winblue_rtm.130821-1623) 8.12%
6.3.9600.16384 (winblue_rtm.130821-1623) 0.43%
6.3.9600.16384 (winblue_rtm.130821-1623) 12.82%
6.3.9431.0 (winmain_bluemp.130615-1214) 1.07%
6.3.9431.0 (winmain_bluemp.130615-1214) 0.21%
6.2.9200.16420 (win8_gdr.120919-1813) 0.64%
6.2.9200.16420 (win8_gdr.120919-1813) 1.28%
6.2.9200.16420 (win8_gdr.120919-1813) 4.91%
6.2.9200.16420 (win8_gdr.120919-1813) 0.43%
6.2.9200.16420 (win8_gdr.120919-1813) 31.41%
6.2.9200.16420 (win8_gdr.120919-1813) 2.99%
6.2.9200.16420 (win8_gdr.120919-1813) 25.21%
6.2.9200.16420 (win8_gdr.120919-1813) 4.06%
6.2.9200.16384 (win8_rtm.120725-1247) 2.99%
6.2.9200.16384 (win8_rtm.120725-1247) 2.35%
6.2.8400.0 (winmain_win8rc.120518-1423) 1.07%

Relationships

PE structurePE file structure
Show functions
Import table
api-ms-win-core-apiquery-l1-1-0.dll
ApiSetQueryApiSetPresence
api-ms-win-core-com-l1-1-0.dll
CoInitializeSecurity, CoCreateInstance, CoEnableCallCancellation, CoDisableCallCancellation, CoCancelCall, CoUninitialize, CoInitializeEx
api-ms-win-core-com-l1-1-1.dll
CoInitializeSecurity, CoCancelCall, CoDisableCallCancellation, CoEnableCallCancellation, CoCreateInstance, CoUninitialize, CoInitializeEx
api-ms-win-core-debug-l1-1-1.dll
IsDebuggerPresent, OutputDebugStringA
api-ms-win-core-delayload-l1-1-1.dll
ResolveDelayLoadedAPI, DelayLoadFailureHook
api-ms-win-core-errorhandling-l1-1-1.dll
GetLastError, SetUnhandledExceptionFilter, UnhandledExceptionFilter, SetLastError
api-ms-win-core-handle-l1-1-0.dll
CloseHandle
api-ms-win-core-heap-l1-2-0.dll
GetProcessHeap, HeapDestroy, HeapAlloc, HeapSize, HeapReAlloc, HeapFree, HeapCreate
api-ms-win-core-heap-obsolete-l1-1-0.dll
LocalFree
api-ms-win-core-interlocked-l1-2-0.dll
InterlockedDecrement, InterlockedIncrement, InterlockedCompareExchange, InterlockedExchange
api-ms-win-core-libraryloader-l1-1-1.dll
LoadStringW, GetModuleHandleW, GetModuleHandleA
api-ms-win-core-libraryloader-l1-2-0.dll
GetModuleHandleW, LoadStringW, GetModuleHandleA
api-ms-win-core-processthreads-l1-1-1.dll
TerminateProcess, GetExitCodeThread, GetStartupInfoW, SetProcessShutdownParameters, GetCurrentProcess, GetCurrentThread, CreateThread, GetCurrentThreadId, SetThreadPriority, GetCurrentProcessId, GetThreadPriority
api-ms-win-core-processthreads-l1-1-2.dll
GetThreadPriority, TerminateProcess, GetCurrentProcess, GetExitCodeThread, GetCurrentThreadId, GetCurrentProcessId, SetProcessShutdownParameters, CreateThread, GetStartupInfoW, GetCurrentThread, SetThreadPriority
api-ms-win-core-profile-l1-1-0.dll
QueryPerformanceCounter
api-ms-win-core-registry-l1-1-0.dll
RegGetValueW
api-ms-win-core-string-l1-1-0.dll
WideCharToMultiByte
api-ms-win-core-synch-l1-2-0.dll
EnterCriticalSection, ResetEvent, ReleaseSRWLockExclusive, AcquireSRWLockExclusive, WaitForSingleObject, InitializeSRWLock, SetEvent, InitializeCriticalSection, DeleteCriticalSection, LeaveCriticalSection, Sleep, InitOnceExecuteOnce, CreateEventW
api-ms-win-core-sysinfo-l1-2-0.dll
GetTickCount, GetSystemTimeAsFileTime
api-ms-win-core-sysinfo-l1-2-1.dll
GetTickCount, GetSystemTimeAsFileTime
api-ms-win-core-threadpool-legacy-l1-1-0.dll
CreateTimerQueueTimer, DeleteTimerQueueTimer
api-ms-win-eventing-classicprovider-l1-1-0.dll
GetTraceEnableLevel, UnregisterTraceGuids, GetTraceLoggerHandle, GetTraceEnableFlags, TraceMessage, RegisterTraceGuidsW
api-ms-win-security-base-l1-2-0.dll
FreeSid, InitializeAcl, GetLengthSid, AllocateAndInitializeSid, GetSecurityDescriptorSacl, GetSecurityDescriptorDacl, GetSecurityDescriptorGroup, GetSecurityDescriptorOwner, GetSecurityDescriptorControl, SetSecurityDescriptorOwner, IsValidSid, InitializeSecurityDescriptor, MakeAbsoluteSD, GetSidSubAuthority, InitializeSid, GetSidLengthRequired, SetSecurityDescriptorGroup, SetSecurityDescriptorDacl, AddAce, GetAclInformation, CopySid
msvcrt.dll
DllMain
ntdll.dll
DbgPrintEx, EtwTraceMessage, NtSetInformationProcess, RtlUnhandledExceptionFilter
rpcrt4.dll
RpcAsyncCompleteCall, RpcAsyncInitializeHandle, RpcStringBindingComposeW, RpcBindingSetAuthInfoExW, RpcBindingFromStringBindingW, NdrAsyncClientCall, NdrClientCall2, RpcAsyncCancelCall, RpcBindingFree, RpcStringFreeW

taskhostex.exe

Host Process for Windows Tasks by Microsoft Corporation (Signed)

Remove taskhostex.exe
Version:   6.2.9200.16420 (win8_gdr.120919-1813)
MD5:   6a3e633c623289d8406f1df9bb05f26f
SHA1:   62c8a56d9f33c36f3010b7c39da04cb14af20de1
SHA256:   adc0410ed9a1fd28d303baea268836c7b3368e914db3fd5ded3eddcf4b10af08
This is a Windows system installed file with Windows File Protection (WFP) enabled.

What is taskhostex.exe?

Host Process for Windows Tasks (TASKHOST) is a generic process which acts as a host for processes that run from DLLs rather than EXEs. At startup TASKHOST checks the Services portion of the Registry to construct a list of DLL-based services that it needs to load, and then loads them.

Overview

taskhostex.exe executes as a process with the local user's privileges. The file is digitally signed by Microsoft Corporation. This version is installed on Windows 8 and is compiled as a 32 bit program.

DetailsDetails

File name:taskhostex.exe
Publisher:Microsoft Corporation
Product name:Host Process for Windows Tasks
Description:Microsoft® Windows® Operating System
Typical file path:C:\Windows\System32\taskhostex.exe
Original name:taskhostex.exe.mui
File version:6.2.9200.16420 (win8_gdr.120919-1813)
Product version:6.2.9200.16420
Size:52.5 KB (53,760 bytes)
Certificate
Issued to:Microsoft Corporation
Authority (CA):Microsoft Corporation
Expiration date:Tuesday, July 9, 2013
Digital DNA
PE subsystem:Windows GUI
File packed:No
Code language:Microsoft Visual C++
.NET CLR:No
More details

ResourcesResource utilization

(Note: statistics below are averages based on a minimum sample size of 200 unique participants)
Averages
 
CPU
Total CPU:0.00161348%
0.028634%
Kernel CPU:0.00063128%
0.013761%
User CPU:0.00098220%
0.014873%
Kernel CPU time:1,070 ms/min
100,923,805ms/min
Memory
Private memory:4.4 MB
21.59 MB
Private (maximum):11.4 MB
Private (minimum):6.16 MB
Non-paged memory:4.4 MB
21.59 MB
Virtual memory:88.79 MB
140.96 MB
Virtual memory (peak):92.71 MB
169.69 MB
Working set:9.69 MB
18.61 MB
Working set (peak):11.87 MB
37.95 MB
Resource allocations
Threads:10
12
Handles:258
600
GUI GDI count:13
103
GUI GDI peak:17
142
GUI USER count:17
49
GUI USER peak:20
71

BehaviorsProcess properties

Integrety level:Medium
Platform:32-bit
Command line:taskhostex.exe
Owner:User
Parent process:services.exe (Services and Controller app by Microsoft)

ResourcesThreads

Averages
 
ESENT.dll
Total CPU:0.00028739%
0.272967%
Kernel CPU:0.00019159%
0.107585%
User CPU:0.00009580%
0.165382%
CPU cycles:8,068/sec
5,741,424/sec
Memory:2.32 MB
1.16 MB
WINMM.dll
Total CPU:0.00009213%
Kernel CPU:0.00000000%
User CPU:0.00009213%
CPU cycles:6,985/sec
Memory:132 KB
MsCtfMonitor.dll
CPU cycles:1,276/sec
Memory:32 KB
MSCTF.dll
CPU cycles:11,539/sec
Memory:880 KB

Windows OS versionsDistribution by Windows OS

OS versiondistribution
Windows 8.1 27.00%
Windows 8 22.00%
Windows 8 Pro 14.50%
Windows 8.1 Pro 11.50%
Windows 8.1 Single Language 5.50%
Windows 8 Single Language 5.50%
Windows 8.1 Pro with Media Center 3.00%
Windows 8 Enterprise 2.50%
Windows 8.1 Pro Preview 2.00%
Windows 8 Enterprise N 1.50%
Windows 8 Pro with Media Center 1.50%
Windows 8.1 Enterprise 1.00%
Windows 8.1 N 0.50%
Windows 8.1 Enterprise Evaluation 0.50%
Windows 8 Enterprise Evaluation 0.50%
Windows 8 Pro N 0.50%
Windows 8.1 Single Language Preview 0.50%

Distribution by countryDistribution by country

United States installs about 40.70% of Host Process for Windows Tasks.

OEM distributionDistribution by PC manufacturer

PC Manufacturerdistribution
Hewlett-Packard 14.50%
ASUS 14.50%
Lenovo 14.50%
Dell 12.98%
Acer 12.60%
Toshiba 12.21%
Sony 7.63%
Intel 4.58%
GIGABYTE 2.67%
Samsung 1.53%
Alienware 0.76%
Medion 0.76%
American Megatrends 0.76%
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