Download TMAS_OLSentry.exe and Fix EXE Errors

Last Updated: 12/01/2023
[Average Article Time to Read: 4.7 minutes]

TMAS_OLSentry.exe is considered a type of Trend Micro Anti-Spam Sentry for Outlook file. It is most-commonly used in Trend Micro Anti-Spam (TMAS) for Outlook (SpamBuster) developed by Trend Micro. It uses the EXE file extension and is considered a Win32 EXE (Unknown) file.

TMAS_OLSentry.exe was first released in the Windows 10 Operating System on 09/10/2019 with Trend Micro Maximum Security 16. The latest file update released for Trend Micro Antivirus Plus Security 16 was on 09/10/2019 [file version 8.2.0.1007].

In this short article, you will discover detailed file information, steps for troubleshooting EXE file problems with TMAS_OLSentry.exe, and list of free downloads for every version that exists in our comprehensive file directory.

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File Overview


General Information
File Name: TMAS_OLSentry.exe
File Extension: EXE file extension
Description: Trend Micro Anti-Spam Sentry for Outlook
Object File Type: Unknown
File Operating System: Win32
MIME Type: application/octet-stream
User Popularity Rating:
 
Developer and Software Information
Software Developer: Trend Micro Inc.
Software Program: Trend Micro Anti-Spam (TMAS) for Outlook (SpamBuster)
Legal Copyright: Copyright (C) 2019 Trend Micro Incorporated. All rights reserved.
File Details
Character Set: Unicode
Language Code: English (U.S.)
File Flags: Private build, Special build
File Flags Mask: 0x003f
Entry Point: 0x2fda
Code Size: 12800


What are TMAS_OLSentry.exe Error Messages?


TMAS_OLSentry.exe Runtime Errors

Runtime errors are Trend Micro Antivirus Plus Security errors that occur during "runtime". Runtime is pretty self-explanatory; it means that these EXE errors are triggered when TMAS_OLSentry.exe is attempted to be loaded either when Trend Micro Antivirus Plus Security is starting up, or in some cases already running. Runtime errors are the most common form of EXE error you will encounter using Trend Micro Antivirus Plus Security.

In most cases, TMAS_OLSentry.exe runtime errors occurring while the program is running will result in the program terminating abnormally. Most of these TMAS_OLSentry.exe error messages mean that Trend Micro Antivirus Plus Security was either unable to locate this file on startup, or the file is corrupt, resulting in a prematurely-aborted startup process. Generally, Trend Micro Antivirus Plus Security will be unable to start without resolving these errors.

Some of the most common TMAS_OLSentry.exe errors include:

  • TMAS_OLSentry.exe - Bad Image.
  • TMAS_OLSentry.exe Application Error.
  • TMAS_OLSentry.exe could not be found.
  • TMAS_OLSentry.exe could not be installed.
  • TMAS_OLSentry.exe could not be launched. Class not registered.
  • TMAS_OLSentry.exe could not be started.
  • TMAS_OLSentry.exe failed to initialize properly.
  • TMAS_OLSentry.exe has encountered a problem and needs to close. We are sorry for the inconvenience.
  • TMAS_OLSentry.exe is not a valid Win32 application.
  • TMAS_OLSentry.exe is not running.
  • Cannot find TMAS_OLSentry.exe.
  • Error starting program: TMAS_OLSentry.exe.
  • Faulting Application Path: TMAS_OLSentry.exe.
  • The file TMAS_OLSentry.exe is missing or corrupt.
  • Windows failed to start - TMAS_OLSentry.exe.
System Error


The program can’t start because TMAS_OLSentry.exe is missing from your computer. Try reinstalling the program to fix this problem.

Thus, it's critical to make sure your anti-virus is kept up-to-date and scanning regularly.

Finding the source of the TMAS_OLSentry.exe error is key to properly resolving these errors. Although most of these EXE errors affecting TMAS_OLSentry.exe will happen during startup, occasionally you will encounter a runtime error while using Trend Micro Anti-Spam (TMAS) for Outlook (SpamBuster). This can occur due to poor programming on behalf of Trend Micro Inc., conflicts with other software or 3rd-party plug-ins, or caused by damaged and outdated hardware. Also, these types of TMAS_OLSentry.exe errors can occur if it has been accidentally moved, deleted, or corrupted by a malware infection. Thus, it's critical to make sure your anti-virus is kept up-to-date and scanning regularly.



How to Fix TMAS_OLSentry.exe 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 TMAS_OLSentry.exe 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):

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

If the Step 1 fails to resolve the TMAS_OLSentry.exe 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):

  1. Hit the Windows Start button
  2. In the search box, type "Uninstall" and press "ENTER".
  3. In the search results, find and click "Add or Remove Programs"
  4. Find the entry for Trend Micro Antivirus Plus Security 16 and click "Uninstall"
  5. 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 TMAS_OLSentry.exe error messages that are encountered can be contributed to an outdated Windows Operating System. To run Windows Update, please follow these easy steps:

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

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



If Those Steps Fail: Download and Replace Your TMAS_OLSentry.exe 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 TMAS_OLSentry.exe file version. We maintain a comprehensive database of 100% malware-free TMAS_OLSentry.exe files for every applicable version of Trend Micro Antivirus Plus Security. Please follow the steps below to download and properly replace you file:

  1. Locate your Windows operating system version in the list of below "Download TMAS_OLSentry.exe Files".
  2. Click the appropriate "Download Now" button and download your Windows file version.
  3. Copy this file to the appropriate Trend Micro Antivirus Plus Security folder location:
    Windows 10: C:\Program Files\Trend Micro\Titanium\plugin\TMAS\TMAS_OL\x86\
    Windows 10: C:\Program Files\Trend Micro\Titanium\plugin\TMAS\TMAS_OL\x64\
    Windows 10: C:\Program Files\Trend Micro\Titanium\plugin\TMAS\TMAS_OL\x86\
    Windows 10: C:\Program Files\Trend Micro\Titanium\plugin\TMAS\TMAS_OL\x64\
    Windows 10: C:\Program Files\Trend Micro\Titanium\plugin\TMAS\TMAS_OL\x86\
    Show 1 more directory +
    Windows 10: C:\Program Files\Trend Micro\Titanium\plugin\TMAS\TMAS_OL\x64\
  4. 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 TMAS_OLSentry.exe 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.



Download TMAS_OLSentry.exe Files (Malware-Tested 100% Clean)


CAUTION : We strongly advise against downloading and copying TMAS_OLSentry.exe to your appropriate Windows system directory. Trend Micro typically does not release Trend Micro Antivirus Plus Security EXE 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 TMAS_OLSentry.exe and all other EXE files for Trend Micro Antivirus Plus Security. An incorrectly installed EXE file may create system instability and could cause your program or operating system to stop functioning altogether. Proceed with caution.

Windows 10


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WSCTool.exe Application Trend Micro Titanium (16.0) 427064 C:\Program Files\WindowsApps\Microsoft.ZuneVide...

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