Should I block it?

60% of PCs block this file from running.
Possible reason:
Performance resource utilization

VersionsAdditional versions

7.7.5 (1680.95.13) 5.43%
7.7.4 (1680.86) 25.57%
7.7.3 (1680.64) 42.08%
7.7.2 (1680.56) 11.31%
7.7.1 (1680.42) 4.52%
7.7 (1680.34) 2.26%
7.6.9 (1680.9) 2.94%
7.6.8 (1675) 0.90%
7.6.7 (1675) 1.13%
7.6.6 (1673) 0.23%
7.6.6 (1671) 1.13%
7.6.5 (1327.80) 0.45%
7.6 (1292) 0.23%
7.5 (861) 0.68%
7.4 0.23%
7.3.1 0.23%
7.1.6 0.68%


Parent process
Related files

PE structurePE file structure

Show functions
Import table
RegDeleteKeyA, RegCreateKeyExA, RegOpenKeyExA, RegQueryInfoKeyA, RegEnumValueA, RegDeleteValueA, RegQueryValueExA, RegSetValueExA, RegCloseKey, RegEnumKeyA
GetVersionExA, WaitForSingleObject, CreateProcessA, ResetEvent, SetEvent, WaitForMultipleObjects, Sleep, CreateThread, GetLastError, CreateMutexA, LoadLibraryExA, GetModuleHandleA, GetSystemDirectoryA, TerminateProcess, GlobalFree, GlobalAlloc, ReleaseMutex, GetCurrentProcessId, GetConsoleOutputCP, WriteConsoleA, GetTimeZoneInformation, CompareStringW, CompareStringA, FindFirstFileA, GetLocaleInfoW, HeapSize, FlushFileBuffers, GetConsoleMode, GetConsoleCP, VirtualAlloc, HeapReAlloc, IsValidLocale, EnumSystemLocalesA, GetLocaleInfoA, GetUserDefaultLCID, GetDateFormatA, GetTimeFormatA, GetStringTypeW, GetStringTypeA, GetSystemTimeAsFileTime, GetTickCount, QueryPerformanceCounter, VirtualFree, HeapCreate, HeapDestroy, GetEnvironmentStringsW, FreeEnvironmentStringsW, GetEnvironmentStrings, FreeEnvironmentStringsA, OpenProcess, FindClose, CloseHandle, LoadLibraryA, GetProcAddress, FreeLibrary, CreateEventA, GetModuleFileNameA, WriteConsoleW, SetStdHandle, ReadFile, SetFilePointer, CreateFileA, SetEnvironmentVariableA, RaiseException, InitializeCriticalSection, EnterCriticalSection, LeaveCriticalSection, ExitProcess, MultiByteToWideChar, GetFileAttributesA, RtlUnwind, GetCommandLineA, HeapFree, HeapAlloc, GetProcessHeap, GetStartupInfoA, GetCPInfo, InterlockedIncrement, InterlockedDecrement, GetACP, GetOEMCP, IsValidCodePage, TlsGetValue, TlsAlloc, TlsSetValue, TlsFree, SetLastError, GetCurrentThreadId, GetCurrentThread, LCMapStringA, WideCharToMultiByte, LCMapStringW, SetHandleCount, GetStdHandle, GetFileType, DeleteCriticalSection, GetCurrentProcess, UnhandledExceptionFilter, SetUnhandledExceptionFilter, IsDebuggerPresent, FatalAppExitA, WriteFile, SetConsoleCtrlHandler, InterlockedExchange, SetEnvironmentVariableW
Shell_NotifyIconA, ShellExecuteA
LoadIconA, LoadCursorA, RegisterClassExA, CreateWindowExA, SetWindowLongA, GetWindowLongA, DefWindowProcA, PostQuitMessage, LoadMenuA, GetSubMenu, DestroyMenu, SetMenuDefaultItem, GetCursorPos, SetForegroundWindow, TrackPopupMenu, CreatePopupMenu, GetMenuStringA, ModifyMenuA, EnableMenuItem, FindWindowA, GetWindowThreadProcessId, SendMessageA, AppendMenuA, MessageBoxA, LoadStringA, GetMessageA, TranslateMessage, DispatchMessageA, PostMessageA, wsprintfA
GetFileVersionInfoSizeA, GetFileVersionInfoA, VerQueryValueA


QuickTime by Apple

Remove QTTask.exe
Version:   7.7.4 (1680.86)
MD5:   9accbc5891ba51b5b29c1a88f80d4ce3
SHA1:   b62efa5a72c0d0a0e4da5315f7251da4632b8d1f
SHA256:   4ea3d9cb239874232ae0d7f824af8cc7ad9bb4657cb9978b41067b4447fbe71b

What is QTTask.exe?

QuickTime Task is part of the Apple QuickTime Player, a free multimedia player.

About QTTask.exe (from Apple)

A powerful multimedia technology with a built-in media player, QuickTime lets you view Internet video, HD movie trailers, and personal media in a wide range of file formats. And it lets you enjoy them


qttask.exe executes as a process with the local user's privileges usually within the context of Windows Explorer. It is set to be run when the PC boots and the user logs into Windows (added to the Run registry key for the current user). It is installed with a couple of know programs including QuickTime published by Apple Inc., Storm Codec from BaoFeng and Storm Codec by BaoFeng.


File name:qttask.exe
Publisher:Apple Inc.
Product name:QuickTime
Description:QuickTime Task
Typical file path:C:\Program Files\quicktime\qttask.exe
File version:7.7.4 (1680.86)
Product version:QuickTime 7.7.4 (1680.86)
Size:412 KB (421,888 bytes)
Build date:5/1/2013 3:42 AM
Digital DNA
File packed:No
More details


The following programs will install this file
Apple Inc.
6% remove
QuickTime is an extensible multimedia framework capable of handling various formats of digital video, picture, sound, panoramic images, and interactivity. QuickTime for Microsoft Windows has always been downloadable as a standalone installation, as well as being bundled with Apple's iTunes. QuickTime Player is limited to only basic playback operations unless a QuickTime Pro license key is purchased.
Apple Inc.
9% remove
Apple's iTunes is a proprietary media player computer program, used for playing and organizing digital music and video files on desktop computers. It can also manage contents on iPod, iPhone and iPad. iTunes is an application that allows the user to purchase and manage audio and video on a personal computer, acting as a front end for Apple's QuickTime media player. Officially, using iTunes is required in order to manage the audio of an ...
Apple Inc.
10% remove
QuickTime Player 7 supports older media formats, such as QTVR, interactive QuickTime movies, and MIDI files on Snow Leopard and OS X Lion. It also accepts QuickTime 7 Pro registration codes, which turn on QuickTime Pro functions. QuickTime Player 7 will be installed in the Utilities folder in the Applications folder.
8% remove
Codec Guide
7% remove
K-Lite Codec Pack is a collection of audio and video codecs for Microsoft Windows that enables the operating system and its software to play various audio and video formats generally not supported by the operating system itself. The Full edition includes 31 additional components and four additional tools beyond those included in the Standard edition, as well as adding video encoding capabilities to Microsoft Windows PCs. However, no enc...
7% remove
QT Lite is a lightweight version of QuickTime. It contains only the essential components that are required for viewing QuickTime content in your favorite browser.
1% remove
Flagship Industries, Inc.
9% remove
Ventrilo is comprised of two primary Components: The Client that every end user will need to download, and the Server. Only one person needs to host a Server that all of the other Clients will connect to. You can turn on and off the title bar, display the large buttons on the right or switch to toolbar mode with icons on the top to maximize the usable width of the window. Extended mode which hides the User Name, Server and Bindings opti...
KL Software
1% remove
QuickTime Alternative is a codec package for Microsoft Windows for playing QuickTime media, normally only playable by the official QuickTime software distribution from Apple Inc. QuickTime Alternative consists of codec libraries extracted from the official distribution, including the official QuickTime plugin required for playing QuickTime files (.MOV, .QT and others) in web browsers such as Internet Explorer and Mozilla Firefox, and al...
22% remove
Because Storm video player garbled on Japanese systems in use. To address this problem, use the installation file repackaged. So that more people can use the tool STORM.
9% remove
Bringing together all kinds of awesomeness to make browsing better for you. Get to your favorite sites quickly – even if you don’t remember the URLs. Type your term into the location bar (aka the Awesome Bar) and the autocomplete function will include possible matches from your browsing history, bookmarked sites and open tabs. Browse multiple sites at once, simply and easily. Each new site appears as a new tab (not a new window) and ca...
8% remove
11% remove
The following filetypes are enabled and SUPPORTED by the installation of the Vista Codec Package. amr | mpc | ofr | divx | mka | ape | flac | evo | flv | m4b | mkv | ogg | ogv | ogm | rmvb | xvid All of the above filetypes can be queued to the Windows Media Player Playlist using a right-click.
TeamSpeak Systems GmbH
4% remove
TeamSpeak 3 continues the legacy of the original TeamSpeak communication system previously offered in TeamSpeak Classic (1.5) and TeamSpeak 2. TeamSpeak 3 is not merely an extension of its predecessors but rather a complete rewrite in C++ of its proprietary protocol and core technology. With over nine years of experience and leadership in the VoIP sector, our engineers have created a flexible, powerful, and scalable solution granting yo...


Startup files (all users) run
Runs under the registry key 'HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run'
  • 'QTTask.exe' → "C:\Program Files\QuickTime\QTTask.exe" -atboottime
  • 'QuickTime Task' → "C:\Program Files\QuickTime\QTTask.exe" -atboottime
Startup files (user) run
Runs under the registry key 'HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run'
  • 'QuickTime Task' → "C:\Program Files\QuickTime\QTTask.exe" -atboottime

ResourcesResource utilization

(Note: statistics below are averages based on a minimum sample size of 200 unique participants)
Total CPU:0.00036555%
Kernel CPU:0.00027907%
User CPU:0.00008648%
Kernel CPU time:55,938 ms/min
Private memory:3.31 MB
21.59 MB
Private (maximum):5.12 MB
Private (minimum):5.05 MB
Non-paged memory:3.31 MB
21.59 MB
Virtual memory:31.52 MB
140.96 MB
Virtual memory (peak):42.9 MB
169.69 MB
Working set:5.12 MB
18.61 MB
Working set (peak):5.72 MB
37.95 MB
Page faults:6,405/min
I/O read transfer:0 Bytes/sec
1.02 MB/min
I/O read operations:1/sec
I/O write transfer:0 Bytes/sec
274.99 KB/min
I/O write operations:1/sec
I/O other transfer:2 Bytes/sec
448.09 KB/min
I/O other operations:1/sec
Resource allocations
GUI GDI count:12
GUI USER count:5

BehaviorsProcess properties

Tray notification:Yes
Integrety level:Undefined
Command lines:
  • "C:\Program Files\quicktime\qttask.exe" -atboottime
  • "C:\programmer\quicktime\qttask.exe" -atboottime
Parent process:Explorer.EXE (Windows Explorer by Microsoft)

Windows OS versionsDistribution by Windows OS

OS versiondistribution
Windows 7 Home Premium 39.50%
Microsoft Windows XP 15.50%
Windows 7 Ultimate 9.00%
Windows Vista Home Premium 7.00%
Windows 7 Professional 5.50%
Windows 8 4.50%
Windows 8 Pro 4.50%
Windows 8.1 3.50%
Windows 8 Pro with Media Center 3.00%
Windows Vista Home Basic 1.50%
Windows Seven Black Edition 1.00%
Windows 8.1 Pro 1.00%
Windows 7 Home Basic 1.00%
Windows 8 Enterprise 0.50%
Windows 8.1 Single Language 0.50%
Windows Vista Business 0.50%
Windows 8 Single Language 0.50%
Windows 8.1 Single Language Preview 0.50%
Windows Vista Ultimate 0.50%
Windows 7 Starter 0.50%

Distribution by countryDistribution by country

United States installs about 56.06% of QuickTime.

OEM distributionDistribution by PC manufacturer

PC Manufacturerdistribution
Dell 20.00%
Hewlett-Packard 18.15%
Toshiba 17.78%
ASUS 14.07%
Sony 9.63%
Acer 7.04%
Intel 5.19%
American Megatrends 1.11%
Sahara 0.74%
Samsung 0.74%
NEC 0.74%
MSI 0.74%
Lenovo 0.74%
Alienware 0.37%
Should I remove It? Clean your PC of unwanted adware, toolbars and bloatware.

Download it for FREE