Should I block it?

No, this file is 100% safe to run.

VersionsAdditional versions

4.6.0.0 46.15%
4.6.0.0 38.46%
4.6.0.0 15.38%
(Note, Logitech publishes each variation of this file with the same version, but the hashes are unique.)

Relationships


PE structurePE file structure

Show functions
Import table
advapi32.dll
RegCloseKey, RegOpenKeyExW, RegQueryValueExW
comdlg32.dll
PageSetupDlgW, GetSaveFileNameW, GetOpenFileNameW, PrintDlgExW
gdi32.dll
GdiFlush, SelectObject, CreateDIBSection, CreateCompatibleDC, DeleteDC, GetDIBits, CreateBitmap, BitBlt, CreateCompatibleBitmap, GetRegionData, CreateRectRgn, CreateEllipticRgn, GetNearestPaletteIndex, GetPaletteEntries, CreatePalette, ResetDCW, ExtTextOutW, SetWorldTransform, SetGraphicsMode, SetBkMode, SetTextAlign, EndDoc, EndPage, AbortDoc, StartPage, GetBkMode, SetTextColor, CreatePen, GetDeviceCaps, GetTextFaceW, RestoreDC, StretchBlt, SaveDC, CreateDCW, StartDocW, SetPolyFillMode, EndPath, MoveToEx, CloseFigure, LineTo, PolyBezierTo, BeginPath, FillPath, StrokePath, ExtCreatePen, SelectClipPath, SelectClipRgn, GetFontData, CreateFontIndirectW, GetTextMetricsW, EnumFontFamiliesExW, GetOutlineTextMetricsW, GetGlyphOutlineW, GetTextExtentPoint32W, GetCharABCWidthsFloatW, GetCharABCWidthsW, CombineRgn, OffsetRgn, PtInRegion, SelectPalette, DeleteObject, RealizePalette, GetStockObject, CreateSolidBrush, GetObjectW
imm32.dll
ImmGetCompositionStringW, ImmSetCompositionFontW, ImmGetDefaultIMEWnd, ImmGetContext, ImmReleaseContext, ImmNotifyIME, ImmAssociateContext, ImmSetCandidateWindow, ImmSetCompositionWindow
kernel32.dll
SetErrorMode, GetLastError, GetLocaleInfoW, GlobalUnlock, GlobalLock, GlobalAlloc, GetProcessHeap, HeapFree, GetSystemTimeAsFileTime, GetCurrentProcessId, GetCurrentThreadId, GetTickCount, QueryPerformanceCounter, DisableThreadLibraryCalls, IsDebuggerPresent, SetUnhandledExceptionFilter, UnhandledExceptionFilter, GetCurrentProcess, TerminateProcess, InterlockedCompareExchange, Sleep, InterlockedExchange, OpenProcess, VirtualAllocEx, ReadProcessMemory, VirtualFreeEx, CreateProcessW, ExpandEnvironmentStringsW, IsValidLanguageGroup, IsValidLocale, GetDriveTypeW, InterlockedDecrement, FindFirstFileW, FindClose, GetVolumeInformationW, LoadLibraryW, lstrcmpW, GetUserDefaultLangID, GetProfileStringW, GlobalFree, GetModuleHandleW, CreateThread, SetEvent, WaitForSingleObject, ReleaseMutex, CloseHandle, CreateMutexW, CreateEventW, GlobalSize
msvcp90.dll
DllMain
msvcr90.dll
DllMain
ole32.dll
OleIsCurrentClipboard, OleFlushClipboard, OleSetClipboard, ReleaseStgMedium, OleUninitialize, OleInitialize, CoCreateGuid, StringFromGUID2, DoDragDrop, CoTaskMemFree, RegisterDragDrop, CoLockObjectExternal, RevokeDragDrop, CoCreateInstance, CoGetMalloc, CoInitialize, OleGetClipboard
qtcore4.dll
DllMain
shell32.dll
Shell_NotifyIconW, ShellExecuteW, SHGetFileInfoW
user32.dll
FindWindowW, FindWindowExW, GetWindowThreadProcessId, MapWindowPoints, DestroyCaret, SetCaretPos, CreateCaret, HideCaret, GetKeyboardLayoutList, RegisterWindowMessageW, LoadIconW, GetIconInfo, DrawIconEx, GetMenu, GetKeyboardState, SetMenuItemInfoW, TrackPopupMenuEx, MapVirtualKeyW, ToAscii, ToUnicode, GetKeyboardLayout, GetDesktopWindow, CreateWindowExW, GetSystemMenu, EnableMenuItem, ValidateRgn, GetClientRect, GetWindowPlacement, SetWindowPlacement, GetWindowRect, IsWindowVisible, IsZoomed, SetParent, DestroyWindow, MoveWindow, ShowWindow, SetWindowsHookExW, SetWindowTextW, SetWindowRgn, SetForegroundWindow, UnhookWindowsHookEx, AdjustWindowRectEx, DestroyIcon, ScrollWindowEx, UpdateWindow, CallNextHookEx, GetClipboardFormatNameW, RegisterClipboardFormatW, CreateCursor, CreateIconIndirect, SetCursorPos, DestroyCursor, SetClipboardViewer, ChangeClipboardChain, GetClassInfoW, LoadImageW, GetSysColorBrush, RegisterClassW, ClientToScreen, GetSystemMetrics, GetWindowRgn, InvalidateRect, UnregisterClassW, GetCursorPos, SendMessageW, ClipCursor, IsIconic, GetUpdateRect, InvalidateRgn, BeginPaint, EndPaint, ScreenToClient, SetWindowPos, GetSysColor, SetCapture, GetDoubleClickTime, SetDoubleClickTime, SetCaretBlinkTime, PeekMessageW, PostMessageW, GetKeyState, ReleaseCapture, SetCursor, GetCaretBlinkTime, FlashWindowEx, MessageBeep, WindowFromPoint, GetParent, ReleaseDC, GetDC, GetWindowLongW, SetWindowLongW, GetActiveWindow, GetFocus, SetFocus, SystemParametersInfoW, IsChild, DefWindowProcW
winmm.dll
PlaySoundW
winspool.drv
ClosePrinter, OpenPrinterW, GetPrinterW, DeviceCapabilitiesW, EnumPrintersW, EnumFormsW

QtGui4.dll

Qt4 by Logitech (Signed)

Remove QtGui4.dll
Version:   4.6.0.0
MD5:   8046522f25d5b5adec2cf292e0b7bfee
SHA1:   40dae12398b1911e7823ae5d2cc32d76d3fcd02d

What is QtGui4.dll?

This module is part of the Qt Development framework, a cross-platform C++ application development and UI framework. Qt provides programs with enhanced UI features, such as opacity, drop-shadows, glow, and filtering support, along with graphics and web support enables rich UIs. Qt framework is available to any third party program to integrate.

About QtGui4.dll (from Logitech)

Qt is a cross-platform application and UI framework. Qt will change the way you develop C++ applications for mobile devices forever. The easy-to-use Qt framework means you will be tied no longer to a

DetailsDetails

File name:qtgui4.dll
Publisher:Nokia Corporation and/or its subsidiary(-ies)
Product name:Qt4
Description:C++ application development framework.
Typical file path:C:\Program Files\logitech\lws\webcam software\qtgui4.dll
File version:4.6.0.0
Size:7.59 MB (7,955,304 bytes)
Certificate
Issued to:Logitech
Authority (CA):VeriSign
Digital DNA
PE subsystem:Windows GUI
File packed:No
Code language:Microsoft Visual C++ 9.0
.NET CLR:No
More details

Windows OS versionsDistribution by Windows OS

OS versiondistribution
Windows 7 Home Premium 50.00%
Windows 8 Pro 15.38%
Windows 7 Professional 11.54%
Windows 7 Ultimate 7.69%
Microsoft Windows XP 7.69%
Windows Vista Home Premium 3.85%
Windows 7 Starter 3.85%

Distribution by countryDistribution by country

United States installs about 73.08% of Qt4.

OEM distributionDistribution by PC manufacturer

PC Manufacturerdistribution
Toshiba 24.00%
Dell 24.00%
Hewlett-Packard 12.00%
ASUS 8.00%
GIGABYTE 8.00%
Intel 8.00%
Acer 8.00%
Samsung 4.00%
Alienware 4.00%
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