Should I block it?

No, this file is 100% safe to run.

VersionsAdditional versions

4.8.3.0 3.49%
4.8.3.0 0.39%
4.8.3.0 0.39%
4.8.2.0 0.39%
4.8.2.0 0.78%
4.8.2.0 1.55%
4.8.2.0 1.55%
4.8.2.0 0.39%
4.8.1.0 0.39%
4.8.1.0 3.10%
4.8.1.0 0.78%
4.8.0.0 0.39%
4.8.0.0 0.39%
4.8.0.0 1.55%
4.8.0.0 0.39%
4.7.4.0 0.39%
4.7.4.0 6.98%
4.7.4.0 1.16%
4.7.4.0 3.10%
4.7.4.0 0.39%
4.7.3.0 1.16%
4.7.3.0 1.55%
4.7.2.0 0.39%
4.7.2.0 3.10%
4.7.2.0 0.78%
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QtCore4.dll

Qt4 by Zhuhai Kingsoft Office Software Co. (Signed)

Remove QtCore4.dll
Version:   4.7.4.0
MD5:   68440bb0c42dff7b3afb7f7510ad5aa3
SHA1:   d2bd4dfe68f8ec4481927bab22506d2e404278d7
SHA256:   66db32e11d5e88f855d864589f6ce970024db18ef985e0683f9bfd3afd5bf69c

What is QtCore4.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 QtCore4.dll (from Zhuhai Kingsoft Office Software Co.)

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:qtcore4.dll
Publisher:Nokia Corporation and/or its subsidiary(-ies)
Product name:Qt4
Description:C++ application development framework.
Typical file path:C:\Program Files\umplayer\qtcore4.dll
File version:4.7.4.0
Size:2.19 MB (2,292,736 bytes)
Certificate
Issued to:Zhuhai Kingsoft Office Software Co.
Authority (CA):VeriSign
Expiration date:Monday, March 10, 2014
Digital DNA
PE subsystem:Windows GUI
Entropy:6.590340
File packed:No
Code language:Microsoft Visual C++ 8.0
.NET CLR:No
More details

ResourcesPrograms

The following programs will install this file
PerformerSoft LLC
  64% remove
PerformerSoft VideoPerformer is a video converter utility for Windows that supports multiple media formats including video formats such as DVD, BluRay, MPEG, FLV and audio formats including MP3, AAC, WMA, OGG and many more.
PerformerSoft LLC
  64% remove
Convert between Multiple Video Formats With PerformerSoft Video Converter, you can convert videos into a variety of formats. For instance you can convert videos between AVI, MOV, TS, XVID, MP4, DVD, VOB, WMV, M4V, 3GP, MPEG, H.264, MOD, MTS, M2TS, AVCHD, QT, Blu-Ray, DVR-MS, MKV, TOD, DPG, FLIC, RM, SWF, FLV, etc. Any one that need to convert videos from camera to cell phone. From cell phone to DVD. From MVI to MP4. In short any one wi...
PerformerSoft LLC
  65% remove
Never worry about your favorite song or audio book not being compatible with your computer or device. Convert mp3s to wav files, wma files to flac files. This easy to use software gets you listening to the file you need where you need it. Converting multiple files one at a time can be tedious, but with batch conversion you can convert several songs quickly and easily and start listening fast.
PerformerSoft LLC
  65% remove
Never worry about your favorite song or audio book not being compatible with your computer or device. Convert mp3s to wav files, wma files to flac files. This easy to use software gets you listening to the file you need where you need it. Converting multiple files one at a time can be tedious, but with batch conversion you can convert several songs quickly and easily and start listening fast.
PerformerSoft LLC
  75% remove
Read many formats, including HD Video, Blu-ray video, MPEG and WMV and write to Blu-ray, HD Video, DVD, AMV, GIF, MP4 for PSP, Apple’s iPod and Archos, and many more. Video Performer reads and writes to formats so that you can convert a WMV to DVD or HD Video to watch on your television. Video Converter converts videos to play on your iPod, iPhone and Zune. It also converts less common formats such as Archos Xbox 360, PSP and iRiver. It...
PerformerSoft LLC
  60% remove
Convert between Multiple Video Formats With PerformerSoft Video Converter, you can convert videos into a variety of formats. For instance you can convert videos between AVI, MOV, TS, XVID, MP4, DVD, VOB, WMV, M4V, 3GP, MPEG, H.264, MOD, MTS, M2TS, AVCHD, QT, Blu-Ray, DVR-MS, MKV, TOD, DPG, FLIC, RM, SWF, FLV, etc. Video Performer is super easy to use. 3 easy clicks and you will convert any format to any format. No need of technical k...

Windows OS versionsDistribution by Windows OS

OS versiondistribution
Windows 7 Ultimate 30.00%
Windows 7 Home Premium 24.50%
Microsoft Windows XP 10.00%
Windows 7 Professional 8.50%
Windows 8 Pro 6.00%
Windows 8 4.00%
Windows 8 Pro with Media Center 3.50%
Windows Vista Home Premium 3.50%
Windows 7 Ultimate N 3.50%
Windows 8.1 Pro 2.00%
Windows 7 Home Basic 1.50%
Windows 8 Single Language 0.50%
Windows 8.1 0.50%
Windows 8 Enterprise 0.50%
Windows 7 Starter 0.50%
Windows XP Professional 0.50%
Windows Vista Ultimate 0.50%

Distribution by countryDistribution by country

United States installs about 35.42% of Qt4.

OEM distributionDistribution by PC manufacturer

PC Manufacturerdistribution
Dell 33.11%
Hewlett-Packard 25.83%
ASUS 7.95%
Acer 7.95%
Sony 7.95%
Toshiba 6.62%
GIGABYTE 2.65%
Intel 2.65%
Lenovo 1.32%
MSI 1.32%
American Megatrends 1.32%
Sahara 0.66%
Alienware 0.66%
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