Trend Micro Trend Micro Antivirus Plus Security DLL plugLicense.dll

How to Fix PlugLicense.dll DLL Issues and Download Updates

Last Updated: 11/26/2023
[Time to Read: ~3-5 minutes]

plugLicense.dll, also known as a PlugLicense file, was created by Trend Micro for the development of Trend Micro Titanium. DLL files fall under under the Win64 DLL (Executable application) file type category.

plugLicense.dll was first released in the Windows 10 Operating System on 09/10/2019 with Trend Micro Maximum Security 16. On 09/10/2019, version 16.0.0.1227 was released for Trend Micro Antivirus Plus Security 16.

Please see below for more detailed information, DLL file troubleshooting instructions, and free downloads of different versions of plugLicense.dll.

File Analysis Provided by Jason Geater (Author)

File Overview

General Information ^✻
File Name:	plugLicense.dll
File Extension:	DLL file extension
Description:	PlugLicense
Object File Type:	Executable application
File Operating System:	Windows NT 32-bit
MIME Type:	application/octet-stream
User Popularity Rating:

Developer and Software Information
Software Developer:	Trend Micro Inc.
Software Program:	Trend Micro Titanium
Legal Copyright:	Copyright (C) 2019 Trend Micro Incorporated. All rights reserved.

File Details
Character Set:	Unicode
Language Code:	English (U.S.)
File Flags:	(none)
File Flags Mask:	0x003f
Entry Point:	0x1a1a0c
Code Size:	1793536

View Other plugLicense.dll Information

File Info	Description
File Size:	2.8 MB
File Modification Date/Time:	2019:11:25 13:18:54+00:00
File Type:	Win64 DLL
MIME Type:	application/octet-stream
Machine Type:	AMD AMD64
Time Stamp:	2019:10:11 01:55:39+00:00
PE Type:	PE32+
Linker Version:	14.0
Code Size:	1793536
Initialized Data Size:	1114112
Uninitialized Data Size:	0
Entry Point:	0x1a1a0c
OS Version:	6.0
Image Version:	0.0
Subsystem Version:	6.0
Subsystem:	Windows GUI
File Version Number:	16.0.0.1227
Product Version Number:	16.0.0.1227
File Flags Mask:	0x003f
File Flags:	(none)
File OS:	Windows NT 32-bit
Object File Type:	Executable application
File Subtype:	0
Language Code:	English (U.S.)
Character Set:	Unicode
Company Name:	Trend Micro Inc.
File Description:	PlugLicense
File Version:	16.0.0.1227
Internal Name:	PlugLicense
Legal Copyright:	Copyright (C) 2019 Trend Micro Incorporated. All rights reserved.
Product Name:	Trend Micro Titanium
Product Version:	16.0
Comments:
Legal Trademarks:	Copyright (C) Trend Micro Inc.
Private Build:	Build 1227 - 10/11/2019

^✻ Portions of file data provided by Exiftool (Phil Harvey) distributed under the Perl Artistic License.

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What are plugLicense.dll Error Messages?

Dynamic Link Library plugLicense.dll Errors

plugLicense.dll is considered a type of Dynamic Link Library (DLL) file. Dynamic Link Library files, like plugLicense.dll, are essentially a "guide book" that stores information and instructions for executable (EXE) files - like MpSigStub.exe - to follow. These files were created so that multiple programs (eg. Trend Micro Antivirus Plus Security) could share the same plugLicense.dll file, saving valuable memory allocation, therefore making your computer run more efficiently.

Unfortunately, what makes DLL files so convenient and efficient, also makes them extremely vulnerable to problems. If something happens to a shared DLL file, either it goes missing or gets corrupted in some way, it can generate a "runtime" error message. Runtime is pretty self-explanatory; it means that these errors are triggered when plugLicense.dll is attempted to be loaded either when Trend Micro Antivirus Plus Security is starting up, or in some cases already running. Some of the most common plugLicense.dll errors include:

Access Violation at address - plugLicense.dll.
plugLicense.dll could not be found.
Cannot find C:\Program Files\Trend Micro\Titanium\plugin\plugLicense.dll.
Cannot register plugLicense.dll.
Cannot start Trend Micro Antivirus Plus Security. A required component is missing: plugLicense.dll. Please install Trend Micro Antivirus Plus Security again.
Failed to load plugLicense.dll.
The application has failed to start because plugLicense.dll was not found.
The file plugLicense.dll is missing or corrupt.
This application failed to start because plugLicense.dll was not found. Re-installing the application may fix this problem.

Your plugLicense.dll file could be missing due to accidental deletion, uninstalled as a shared file of another program (shared with Trend Micro Antivirus Plus Security), or deleted by a malware infection. Furthermore, plugLicense.dll file corruption could be caused from a power outage when loading Trend Micro Antivirus Plus Security, system crash while loading plugLicense.dll, bad sectors on your storage media (usually your primary hard drive), or quite commonly, a malware infection. Thus, it's critical to make sure your anti-virus is kept up-to-date and scanning regularly.

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How to Fix plugLicense.dll Errors in 3 Steps (Time to complete: ~5-15 minutes)

If you're encountering one of the error messages above, follow these troubleshooting steps to resolve your plugLicense.dll issue. These troubleshooting steps are listed in the recommended order of execution.

Step 1: Restore your PC back to the latest restore point, "snapshot", or backup image before error occurred.

To begin System Restore (Windows XP, Vista, 7, 8, and 10):

Hit the Windows Start button
When you see the search box, type "System Restore" and press "ENTER".
In the search results, find and click System Restore.
Please enter the administrator password (if applicable / prompted).
Follow the steps in the System Restore Wizard to choose a relevant restore point.
Restore your computer to that backup image.

If the Step 1 fails to resolve the plugLicense.dll error, please proceed to the Step 2 below.

Step 2: If recently installed Trend Micro Antivirus Plus Security (or related software), uninstall then try reinstalling Trend Micro Antivirus Plus Security software.

You can uninstall Trend Micro Antivirus Plus Security software by following these instructions (Windows XP, Vista, 7, 8, and 10):

Hit the Windows Start button
In the search box, type "Uninstall" and press "ENTER".
In the search results, find and click "Add or Remove Programs"
Find the entry for Trend Micro Antivirus Plus Security 16 and click "Uninstall"
Follow the prompts for uninstallation.

After the software has been fully uninstalled, restart your PC and reinstall Trend Micro Antivirus Plus Security software.

If this Step 2 fails as well, please proceed to the Step 3 below.

Trend Micro Antivirus Plus Security 16

Trend Micro

Step 3: Perform a Windows Update.

When the first two steps haven't solved your issue, it might be a good idea to run Windows Update. Many plugLicense.dll error messages that are encountered can be contributed to an outdated Windows Operating System. To run Windows Update, please follow these easy steps:

Hit the Windows Start button
In the search box, type "Update" and press "ENTER".
In the Windows Update dialog box, click "Check for Updates" (or similar button depending on your Windows version)
If updates are available for download, click "Install Updates".
After the update is completed, restart your PC.

If Windows Update failed to resolve the plugLicense.dll error message, please proceed to next step. Please note that this final step is recommended for advanced PC users only.

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If Those Steps Fail: Download and Replace Your plugLicense.dll File (Caution: Advanced)

If none of the previous three troubleshooting steps have resolved your issue, you can try a more aggressive approach (Note: Not recommended for amateur PC users) by downloading and replacing your appropriate plugLicense.dll file version. We maintain a comprehensive database of 100% malware-free plugLicense.dll files for every applicable version of Trend Micro Antivirus Plus Security. Please follow the steps below to download and properly replace you file:

Locate your Windows operating system version in the list of below "Download plugLicense.dll Files".
Click the appropriate "Download Now" button and download your Windows file version.
Copy this file to the appropriate Trend Micro Antivirus Plus Security folder location:

Windows 10: C:\Program Files\Trend Micro\Titanium\plugin\
Windows 10: C:\Program Files\Trend Micro\Titanium\plugin\
Windows 10: C:\Program Files\Trend Micro\Titanium\plugin\
Restart your computer.

If this final step has failed and you're still encountering the error, you're only remaining option is to do a clean installation of Windows 10.

GEEK TIP : We must emphasize that reinstalling Windows will be a very time-consuming and advanced task to resolve plugLicense.dll problems. To avoid data loss, you must be sure that you have backed-up all of your important documents, pictures, software installers, and other personal data before beginning the process. If you are not currently backing up your data, you need to do so immediately.

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Download plugLicense.dll Files (Malware-Tested 100% Clean)

CAUTION : We strongly advise against downloading and copying plugLicense.dll to your appropriate Windows system directory. Trend Micro typically does not release Trend Micro Antivirus Plus Security DLL files for download because they are bundled together inside of a software installer. The installer's task is to ensure that all correct verifications have been made before installing and placing plugLicense.dll and all other DLL files for Trend Micro Antivirus Plus Security. An incorrectly installed DLL file may create system instability and could cause your program or operating system to stop functioning altogether. Proceed with caution.

Trend Micro Antivirus Plus Security 16

File Name

Software Version

File Version

Architecture

plugLicense.dll

16.0.0.1227

64-bit (x64)

Expand for Detailed File Information +

OS Version:	Windows 10
Software:	Trend Micro Titanium
Software Version:	16.0.0.1227
File Version:	16.0.0.1227
File Size:	2951152
File Date:	11/25/2019
MD5 Checksum:	98ff9f1767e08db8e2534e5714e75571
SHA1 Checksum:	5b612657e5525a8196b1925af78ea003f5f32b5e
SHA256 Checksum:	e6bb64d920c46df977c5c8fd762d1bd958d4da79120c5e3d59223d0c39d6814c
CRC32:
File Directory Location:	C:\Program Files\Trend Micro\Titanium\plugin\

File Version, System, and Machine Information
File Type:	Win64 DLL
Image Version:	0.0
Initialized Data Size:	1114112
Linker Version:	14.0
Machine Type:	AMD AMD64
PE Type:	PE32+
Subsystem:	Windows GUI
Subsystem Version:	6.0
File Modification Date/Time:	11/25/2019

Trend Micro Internet Security 16

File Name

Software Version

File Version

Architecture

plugLicense.dll

16.0.0.1227

64-bit (x64)

Expand for Detailed File Information +

OS Version:	Windows 10
Software:	Trend Micro Titanium
Software Version:	16.0.0.1227
File Version:	16.0.0.1227
File Size:	2951152
File Date:	11/25/2019
MD5 Checksum:	98ff9f1767e08db8e2534e5714e75571
SHA1 Checksum:	5b612657e5525a8196b1925af78ea003f5f32b5e
SHA256 Checksum:	e6bb64d920c46df977c5c8fd762d1bd958d4da79120c5e3d59223d0c39d6814c
CRC32:
File Directory Location:	C:\Program Files\Trend Micro\Titanium\plugin\

File Version, System, and Machine Information
File Type:	Win64 DLL
Image Version:	0.0
Initialized Data Size:	1114112
Linker Version:	14.0
Machine Type:	AMD AMD64
PE Type:	PE32+
Subsystem:	Windows GUI
Subsystem Version:	6.0
File Modification Date/Time:	11/25/2019

Trend Micro Maximum Security 16

File Name

Software Version

File Version

Architecture

plugLicense.dll

16.0.0.1146

64-bit (x64)

Expand for Detailed File Information +

OS Version:	Windows 10
Software:	Trend Micro Titanium
Software Version:	16.0.0.1146
File Version:	16.0.0.1146
File Size:	2956392
File Date:	11/09/2019
MD5 Checksum:	ec05574e19c35da5b0b8f39085a9204d
SHA1 Checksum:	ac170f5d7239fcde2db80d02dec2e3220c448b72
SHA256 Checksum:	fa3e79c4958b101113bd2dff02f66ab6bfefe3cb962f31e80bed531cd0058928
CRC32:
File Directory Location:	C:\Program Files\Trend Micro\Titanium\plugin\

File Version, System, and Machine Information
File Type:	Win64 DLL
Image Version:	0.0
Initialized Data Size:	1116672
Linker Version:	14.0
Machine Type:	AMD AMD64
PE Type:	PE32+
Subsystem:	Windows GUI
Subsystem Version:	6.0
File Modification Date/Time:	11/09/2019

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Files Related to plugLicense.dll

DLL Files Related to plugLicense.dll

File Name	Description	Software Program (Version)	File Size (bytes)	File Location
TmMsg.dll	TMMSG with C interface	Trend Micro Common Message Module 3.0 (3.0.0)	686640	C:\Program Files\WindowsApps\Microsoft.GetHelp_...
TmopphHttp2.dll	Trend Micro HTTP Protocol Handler Module	Trend Micro Osprey (5.0)	362648	C:\Users\Tester\AppData\Local\Microsoft\OneDrive\
System.Xml.ni.dll	Dynamic Link Library	Trend Micro Antivirus Plus Security 16	5466624	C:\Program Files (x86)\Microsoft Office\root\vf...
utilThread.dll	Trend Micro Anti-Malware Solution Platform	AMSP (6.5)	27944	C:\Program Files\WindowsApps\Microsoft.WindowsF...
utilServiceTag.dll	utilServiceTag Dynamic Link Library	Trend Micro Titanium (16.0)	216568	C:\Program Files\WindowsApps\Microsoft.GetHelp_...

Other Files Related to plugLicense.dll

File Name	Description	Software Program (Version)	File Size (bytes)	File Location
CBS.log	Log	Trend Micro Maximum Security 16	891637	C:\Windows\Logs\CBS\
setupact.log	Log	Trend Micro Internet Security 16	191147	C:\Windows\Logs\DPX\
WmiApRpl.h	C/C++/Objective-C Header	Trend Micro Internet Security 16	3444	C:\Windows\System32\wbem\Performance\
WmiApRpl.h	C/C++/Objective-C Header	Trend Micro Antivirus Plus Security 16	3444	C:\Windows\System32\wbem\Performance\
api-ms-win-core-profil...	ApiSet Stub DLL	Microsoft® Windows® Operating System (10.0.14393.33)	18112	C:\Program Files\Trend Micro\AMSP\

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