Should I block it?

No, this file is 100% safe to run.

Additional versions

19.9.1.14	50.00%
18.7.2.3	50.00%

Relationships

mcui.dll

Symantec Shared Component by Symantec Corporation (Signed)

Remove mcui.dll

Version:	18.7.2.3
MD5:	04ab008bcfaa6e8ecbe1230cfaeda822
SHA1:	1bd0b93db77c3e05d3145f85204c77ec76994ab7
SHA256:	4709cb2f3f69f2d614863a85e81d83e943cd4833d62129a889e1a168b9beb0b2

What is mcui.dll?

Symantec Security History is part of Norton Internet Security, a PC program that provides malware prevention and removal during subscription period and uses signatures and heuristics to identify viruses, trojans and other malware. Norton Internet Security features include a email spam filtering, personal firewall, and phishing protection.

Overview

mcui.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 Norton Internet Security published by Symantec Corporation and Norton Security Suite published by Symantec Corporation. The file is digitally signed by Symantec Corporation which was issued by the VeriSign certificate authority (CA).

Details

File name:	mcui.dll
Publisher:	Symantec Corporation
Product name:	Symantec Shared Component
Description:	Symantec Security History
Typical file path:	C:\Program Files\norton internet security\engine\18.7.2.3\mcui.dll
Original name:	MCUI32.exe
File version:	18.7.2.3
Product version:	18.7
Size:	475.46 KB (486,872 bytes)
Certificate
Issued to:	Symantec Corporation
Authority (CA):	VeriSign
Effective date:	Tuesday, September 7, 2010
Expiration date:	Saturday, November 23, 2013
Digital DNA
File packed:	No
.NET CLR:	No

More details

Programs

The following programs will install this file

Norton Internet Security

Symantec Corporation

3% remove

Norton Internet Security, developed by Symantec Corporation, is a computer program that provides malware prevention and removal during subscription period and uses signatures and heuristics to identify viruses. Other features include a personal firewall, email spam filtering, and phishing protection. Symantec distributes the product as a download, a boxed copy, and as OEM software.

Norton Security Suite

Symantec Corporation

50% remove

“Powered by Norton 360 Technology. XFINITY Internet customers can now get the #1 ranked Norton Security Suite at no additional charge. Protects against viruses, spyware, Trojan horses, worms, bots, and rootkits. Blocks browser, OS, and application threats; protects against infected Web sites. Blocks phishing Web sites and authenticates trusted sites. Available at no extra cost to XFINITY Internet customers, Norton Security Suite protects...”