Should I block it?

No, this file is 100% safe to run.

VersionsAdditional versions

6.3.9600.16384 (winblue_rtm.130821-1623) 0.43%
6.3.9600.16384 (winblue_rtm.130821-1623) 0.02%
6.3.9600.16384 (winblue_rtm.130821-1623) 0.69%
6.3.9600.16384 (winblue_rtm.130821-1623) 0.24%
6.3.9600.16384 (winblue_rtm.130821-1623) 0.64%
6.3.9431.0 (winmain_bluemp.130615-1214) 0.05%
6.3.9431.0 (winmain_bluemp.130615-1214) 0.05%
6.2.9200.16420 (win8_gdr.120919-1813) 0.02%
6.2.9200.16420 (win8_gdr.120919-1813) 0.07%
6.2.9200.16420 (win8_gdr.120919-1813) 0.45%
6.2.9200.16420 (win8_gdr.120919-1813) 1.42%
6.2.9200.16420 (win8_gdr.120919-1813) 0.28%
6.2.9200.16420 (win8_gdr.120919-1813) 2.48%
6.2.9200.16420 (win8_gdr.120919-1813) 1.85%
6.2.9200.16420 (win8_gdr.120919-1813) 0.19%
6.2.9200.16384 (win8_rtm.120725-1247) 0.14%
6.2.9200.16384 (win8_rtm.120725-1247) 0.19%
6.2.9200.16384 (win8_rtm.120725-1247) 0.07%
6.2.9200.16384 (win8_rtm.120725-1247) 0.14%
6.2.8400.0 (winmain_win8rc.120518-1423) 0.07%
6.2.8250.0 (winmain_win8beta.120217-1520) 0.02%
6.2.8250.0 (winmain_win8beta.120217-1520) 0.02%
6.2.8102.0 (winmain_win8m3.110823-1455) 0.05%
6.2.8102.0 (winmain_win8m3.110823-1455) 0.05%
6.1.7600.16385 (win7_rtm.090713-1255) 3.15%
View more

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, StringFromCLSID, CoTaskMemFree
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-l1-1-0.dll
UnhandledExceptionFilter, SetUnhandledExceptionFilter, GetLastError, SetLastError
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-l1-1-0.dll
GetProcessHeap, HeapAlloc, HeapSize, HeapReAlloc, HeapDestroy, HeapFree, HeapCreate
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-l1-1-0.dll
InterlockedCompareExchange, InterlockedDecrement, InterlockedIncrement, InterlockedExchange
api-ms-win-core-interlocked-l1-1-1.dll
InterlockedDecrement, InterlockedIncrement, InterlockedCompareExchange, InterlockedExchange
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, GetProcAddress
api-ms-win-core-libraryloader-l1-2-0.dll
GetModuleHandleW, LoadStringW, GetModuleHandleA
api-ms-win-core-localregistry-l1-1-0.dll
RegGetValueW
api-ms-win-core-processthreads-l1-1-0.dll
OpenProcessToken
api-ms-win-core-processthreads-l1-1-1.dll
TerminateProcess, GetExitCodeThread, GetStartupInfoW, SetProcessShutdownParameters, GetCurrentProcess, GetCurrentThread, CreateThread, GetCurrentThreadId, SetThreadPriority, GetCurrentProcessId, GetThreadPriority, IsProcessorFeaturePresent, OpenProcessToken
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-l1-1-1.dll
DeleteCriticalSection, EnterCriticalSection, CreateEventW, InitializeSRWLock, InitOnceExecuteOnce, ReleaseSRWLockExclusive, InitializeCriticalSection, Sleep, SetEvent, WaitForSingleObject, LeaveCriticalSection, AcquireSRWLockExclusive, ResetEvent
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-l1-1-1.dll
GetTickCount, GetSystemTimeAsFileTime
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-l1-1-1.dll
DeleteTimerQueueTimer, CreateTimerQueueTimer
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-obsolete-kernelbase-l1-1-0.dll
LocalFree
api-ms-win-security-base-l1-1-0.dll
GetSecurityDescriptorSacl, MakeAbsoluteSD, GetSecurityDescriptorControl, AddAce, InitializeSid, CopySid, InitializeAcl, GetTokenInformation, AllocateAndInitializeSid, FreeSid, GetSidLengthRequired, GetSecurityDescriptorGroup, GetLengthSid, GetSecurityDescriptorDacl, GetSidSubAuthority, SetSecurityDescriptorDacl, SetSecurityDescriptorGroup, SetSecurityDescriptorOwner, GetAclInformation, IsValidSid, InitializeSecurityDescriptor, GetSecurityDescriptorOwner
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
kernel32.dll
InterlockedExchange, Sleep, InterlockedCompareExchange, GetStartupInfoW, SetUnhandledExceptionFilter, GetModuleHandleA, QueryPerformanceCounter, GetTickCount, GetCurrentThreadId, GetCurrentProcessId, GetSystemTimeAsFileTime, TerminateProcess, GetCurrentProcess, UnhandledExceptionFilter, GetLastError, WaitForSingleObject, ResetEvent, CloseHandle, CreateEventW, HeapFree, HeapDestroy, HeapCreate, HeapReAlloc, SetLastError, HeapAlloc, InitOnceExecuteOnce, SetProcessShutdownParameters, InterlockedIncrement, DeleteAtom, IsDebuggerPresent, AcquireSRWLockExclusive, ReleaseSRWLockExclusive, SetEvent, InterlockedDecrement, GetModuleHandleW, CreateThread, InitializeSRWLock, SetThreadPriority, GetThreadPriority, GetCurrentThread, GetExitCodeThread, DeleteTimerQueueTimer, CreateTimerQueueTimer, HeapSize, GetProcessHeap, LocalFree, OutputDebugStringA, GetTickCount64
msvcrt.dll
DllMain
ntdll.dll
RtlUnhandledExceptionFilter, EtwTraceMessage, DbgPrintEx, NtSetInformationProcess
ole32.dll
CoEnableCallCancellation, CoCancelCall, CoDisableCallCancellation, CoCreateInstance, CoInitializeSecurity, CoInitializeEx, CoUninitialize
rpcrt4.dll
RpcAsyncInitializeHandle, RpcBindingFree, RpcBindingSetAuthInfoExW, RpcStringFreeW, RpcBindingFromStringBindingW, RpcStringBindingComposeW, NdrClientCall2, NdrAsyncClientCall, RpcAsyncCompleteCall, RpcAsyncCancelCall
user32.dll
UpdateWindow, ShowWindow, DefWindowProcW, RegisterClassW, DispatchMessageW, TranslateMessage, MsgWaitForMultipleObjects, PostMessageW, GetWindowThreadProcessId, IsWindow, EnumThreadWindows, EnumWindows, PostQuitMessage, ShutdownBlockReasonDestroy, LoadStringW, ShutdownBlockReasonCreate, DestroyWindow, PeekMessageW, UnregisterClassW, CreateWindowExW

taskhost.exe

Host Process for Windows Tasks by Microsoft Corporation (Signed)

Remove taskhost.exe
Version:   6.2.8250.0 (winmain_win8beta.120217-1520)
MD5:   af9a537b51df9b1476c6a7f43a822143
SHA1:   4f82288c54ef97a8f9c57a89d01c55af9dbb3add
SHA256:   eb455c3470cf878f7bce6f24c7200085cd74e0ff2a9de9c86912d4a79a841a63
This is a Windows system installed file with Windows File Protection (WFP) enabled.

What is taskhost.exe?

Host Process for Windows Tasks 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

taskhost.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:taskhost.exe
Publisher:Microsoft Corporation
Product name:Host Process for Windows Tasks
Description:Microsoft® Windows® Operating System
Typical file path:C:\Windows\System32\taskhost.exe
Original name:taskhost.exe.mui
File version:6.2.8250.0 (winmain_win8beta.120217-1520)
Product version:6.2.8250.0
Size:51.5 KB (52,736 bytes)
Certificate
Issued to:Microsoft Corporation
Authority (CA):Microsoft Corporation
Expiration date:Tuesday, July 9, 2013
Digital DNA
Entropy:6.163300
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:0.00127810%
0.028634%
Kernel CPU:0.00042603%
0.013761%
User CPU:0.00085207%
0.014873%
Kernel CPU time:31 ms/min
100,923,805ms/min
Context switches:2/sec
284/sec
Memory
Private memory:3.7 MB
21.59 MB
Private (maximum):10.21 MB
Private (minimum):7.72 MB
Non-paged memory:3.7 MB
21.59 MB
Virtual memory:78.02 MB
140.96 MB
Virtual memory (peak):105.48 MB
169.69 MB
Working set:10.08 MB
18.61 MB
Working set (peak):10.27 MB
37.95 MB
Resource allocations
Threads:9
12
Handles:271
600
GUI GDI count:13
103
GUI GDI peak:17
142
GUI USER count:19
49
GUI USER peak:23
71

BehaviorsProcess properties

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

ResourcesThreads

Averages
 
combase.dll
Total CPU:0.00051480%
0.272967%
Kernel CPU:0.00000000%
0.107585%
User CPU:0.00051480%
0.165382%
CPU cycles:3,341/sec
5,741,424/sec
Memory:1.12 MB
1.16 MB
taskhost.exe (main module)
Total CPU:0.00042619%
Kernel CPU:0.00000000%
User CPU:0.00042619%
CPU cycles:14,813/sec
Context switches:1/sec
Memory:64 KB

Windows OS versionsDistribution by Windows OS

OS versiondistribution
Windows 7 Home Premium 45.50%
Windows 7 Ultimate 19.50%
Windows 8.1 10.00%
Windows 7 Professional 8.00%
Windows 8.1 Pro 6.50%
Windows 7 Home Basic 2.50%
Windows 8.1 Single Language 2.00%
Windows 8 2.00%
Windows 8 Single Language 1.50%
Windows Seven Black Edition 0.50%
Windows 8.1 Enterprise Evaluation 0.50%
Windows 8.1 Pro with Media Center 0.50%
Windows 7 Starter 0.50%
Windows 8.1 Pro Preview 0.50%

Distribution by countryDistribution by country

United States installs about 48.24% of Host Process for Windows Tasks.

OEM distributionDistribution by PC manufacturer

PC Manufacturerdistribution
Dell 25.48%
Hewlett-Packard 18.92%
ASUS 17.76%
Acer 13.13%
Toshiba 8.49%
Lenovo 5.41%
Sony 5.41%
GIGABYTE 1.54%
Medion 1.54%
Alienware 1.16%
Samsung 0.77%
Sahara 0.39%
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