Should I block it?

No, this file is 100% safe to run.

VersionsAdditional versions

(Note, Apple Inc. publishes each variation of this file with the same version, but the hashes are unique.)


QuartzCore by Apple Inc. (Signed)

Remove QuartzCore.dll
MD5:   84e18518dca321713a9ee5092b3aefca
SHA1:   1b7bdbe12b922c83ef22ac059a72e99ced6cec5f
SHA256:   4f74b767bd0c807eb9644ca2ef7d2aebe07fa82d252b61474669c1f83e35f6fc


quartzcore.dll is loaded as dynamic link library that runs in the context of a process. It is installed with a couple of know programs including Safari published by Apple Inc. and ESU for Microsoft Windows 7 SP1 published by Hewlett-Packard. The file is digitally signed by Apple Inc. which was issued by the VeriSign certificate authority (CA).


File name:quartzcore.dll
Publisher:Apple, Inc.
Product name:QuartzCore
Description:QuartzCore DLL
Typical file path:C:\Program Files\common files\apple\apple application support\quartzcore.dll
File version:
Size:1.26 MB (1,320,808 bytes)
Issued to:Apple Inc.
Authority (CA):VeriSign
Expiration date:Tuesday, June 25, 2013
Digital DNA
PE subsystem:Windows GUI
File packed:No
Code language:Microsoft Visual C++ 8.0
More details


The following programs will install this file
Apple Inc.
11% remove
Safari is a web browser developed by Apple Inc. It is based on the WebKit engine, which is a fork of KDE's KHTML engine. Safari has a number of features. Some are specific to certain operating systems or platforms.
27% remove
This package installs Microsoft fixes and enhancements for the Microsoft 7 Operating Systems, as well as providing other fixes and enhancements that are specific to the listed notebook models. These fixes and enhancements are required to improve the performance of these notebook models.

Windows OS versionsDistribution by Windows OS

OS versiondistribution
Windows 7 Home Premium 35.37%
Windows 7 Ultimate 14.63%
Windows 8 9.76%
Windows 7 Professional 7.32%
Microsoft Windows XP 7.32%
Windows 8 Pro 7.32%
Windows 8.1 4.88%
Windows 8.1 Pro 2.44%
Windows Vista Home Basic 2.44%
Windows Vista Home Premium 2.44%
Windows Seven Black Edition 1.22%
Windows 8.1 Single Language 1.22%
Windows Vista Business 1.22%
Windows 7 Enterprise 1.22%
Windows 8 Pro with Media Center 1.22%

Distribution by countryDistribution by country

United States installs about 51.25% of QuartzCore.

OEM distributionDistribution by PC manufacturer

PC Manufacturerdistribution
Hewlett-Packard 22.22%
ASUS 22.22%
Dell 19.44%
Acer 13.89%
Toshiba 5.56%
NEC 2.78%
Intel 2.78%
Sony 2.78%
Sahara 1.39%
Alienware 1.39%
Samsung 1.39%
American Megatrends 1.39%
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