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

Parent process
Related files

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:   6.2.9200.16384 (win8_rtm.120725-1247)
MD5:   6f3f0fb3054681eaf9863b86350553c5
SHA1:   d3e8656ff060e3a3a212adaeb4130943bd37a362
SHA256:   92c0d6f65bf8c8e36354dcf177bce55b14642ae0a2c624b2ff22712c1cad9594
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 typically within the context of its parent services.exe (Services and Controller app by Microsoft). 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:6.2.9200.16384 (win8_rtm.120725-1247)
Product version:6.2.9200.16384
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:0.00882157%
0.028634%
Kernel CPU:0.00428939%
0.013761%
User CPU:0.00453218%
0.014873%
Kernel CPU time:2,687,083 ms/min
100,923,805ms/min
CPU cycles:266,997/sec
17,470,203/sec
Context switches:15/sec
284/sec
Memory
Private memory:3.68 MB
21.59 MB
Private (maximum):8.96 MB
Private (minimum):5.96 MB
Non-paged memory:3.68 MB
21.59 MB
Virtual memory:83.77 MB
140.96 MB
Virtual memory (peak):86.64 MB
169.69 MB
Working set:7.75 MB
18.61 MB
Working set (peak):9.41 MB
37.95 MB
Page faults:8,321/min
2,039/min
I/O
I/O read transfer:42.79 KB/sec
1.02 MB/min
I/O read operations:1/sec
343/min
I/O write transfer:12.13 KB/sec
274.99 KB/min
I/O write operations:2/sec
227/min
I/O other transfer:252 Bytes/sec
448.09 KB/min
I/O other operations:16/sec
1,671/min
Resource allocations
Threads:10
12
Handles:247
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 lines:
  • taskhostex.exe
  • taskhostex.exe idle
Owner:User
Parent process:services.exe (Services and Controller app by Microsoft)

ResourcesThreads

Averages
 
ntdll.dll
Total CPU:0.03507245%
0.272967%
Kernel CPU:0.01583467%
0.107585%
User CPU:0.01923778%
0.165382%
CPU cycles:872,038/sec
5,741,424/sec
Context switches:6/sec
79/sec
Memory:1.4 MB
1.16 MB
WINMM.dll
Total CPU:0.00813055%
Kernel CPU:0.00559242%
User CPU:0.00253813%
CPU cycles:143,318/sec
Context switches:4/sec
Memory:132 KB
ESENT.dll
Total CPU:0.00131094%
Kernel CPU:0.00131094%
User CPU:0.00000000%
CPU cycles:4,292/sec
Memory:2.32 MB
MsCtfMonitor.dll
Total CPU:0.00070167%
Kernel CPU:0.00066356%
User CPU:0.00003812%
CPU cycles:6,085/sec
Memory:32 KB
taskhostex.exe (main module)
Total CPU:0.00022625%
Kernel CPU:0.00015503%
User CPU:0.00007122%
CPU cycles:3,297/sec
Memory:68 KB
MSCTF.dll
Total CPU:0.00012772%
Kernel CPU:0.00010190%
User CPU:0.00002581%
CPU cycles:3,434/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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