How to Download HosFAlt.htm.old and Fix Error Messages

Last Updated: 12/15/2023
[Reading Time Required: 3.5 minutes]

Backup Archive files, such as HosFAlt.htm.old, are considered a type of HTML (Backup Archive) file. They are associated with the OLD file extension, developed by Trend Micro for Trend Micro Antivirus Plus Security 16.

HosFAlt.htm.old was initially released with Trend Micro Maximum Security 16 on 09/10/2019 for the Windows 10 Operating System. The latest file version for Trend Micro Antivirus Plus Security 16 is v16 released on 09/10/2019.

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

File Analysis Provided by Jason Geater (Author)


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File Overview


General Information
File Name: HosFAlt.htm.old
File Extension: OLD file extension
Title: Trend Micro Host Filter
File Type: Backup
Description: Backup Archive
MIME Type: text/html
User Popularity Rating:
 
Developer and Software Information
Software Program: Trend Micro Antivirus Plus Security 16
Developer: Trend Micro
Software: Trend Micro Antivirus Plus Security
Software Version: 16
File Details
File Size (Bytes): 615
Oldest File Date: 11/25/2019
Latest File Date: 11/25/2019


What are HosFAlt.htm.old Error Messages?


General HosFAlt.htm.old Runtime Errors

HosFAlt.htm.old file errors often occur during the startup phase of Trend Micro Antivirus Plus Security, but can also occur while the program is running. These types OLD errors are also known as “runtime errors” because they occur while Trend Micro Antivirus Plus Security is running. Here are some of the most common HosFAlt.htm.old runtime errors:

Microsoft Visual C++ Runtime Library

Runtime Error!

Program: C:\Program Files\Trend Micro\AMSP\resource\engine\c2t1207959830l1p5889r1o1\5.0.1045\HosFAlt.htm.old

This application has requested the Runtime to terminate it in an unusual way.
Please contact the application's support team for more information.


Most OLD errors are due to missing or corrupt files. Your HosFAlt.htm.old 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, HosFAlt.htm.old file corruption could be caused from a power outage when loading Trend Micro Antivirus Plus Security, system crash while loading or saving HosFAlt.htm.old, bad sectors on your storage media (usually your primary hard drive), or malware infection. Thus, it’s critical to make sure your anti-virus is kept up-to-date and scanning regularly.



How to Fix HosFAlt.htm.old 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 HosFAlt.htm.old 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 HosFAlt.htm.old 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 HosFAlt.htm.old 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 HosFAlt.htm.old 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 HosFAlt.htm.old 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 HosFAlt.htm.old file version. We maintain a comprehensive database of 100% malware-free HosFAlt.htm.old 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 HosFAlt.htm.old 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\AMSP\resource\engine\c2t1207959830l1p5889r1o1\5.0.1045\
    Windows 10: C:\Program Files\Trend Micro\AMSP\resource\engine\c2t1207959830l1p5889r1o1\5.0.1045\
    Windows 10: C:\Program Files\Trend Micro\AMSP\resource\engine\c2t1207959830l1p5889r1o1\5.0.1045\
  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 HosFAlt.htm.old 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 HosFAlt.htm.old Files (Malware-Tested 100% Clean)


CAUTION : We strongly advise against downloading and copying HosFAlt.htm.old to your appropriate Windows system directory. Trend Micro typically does not release Trend Micro Antivirus Plus Security OLD 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 HosFAlt.htm.old and all other OLD files for Trend Micro Antivirus Plus Security. An incorrectly installed OLD 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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UrlFPhis_a.htm.old Backup Archive Trend Micro Antivirus Plus Security 16 1109 C:\Program Files\WindowsApps\Microsoft.ZuneVide...
whitelist.cfg.old Backup Archive Trend Micro Antivirus Plus Security 16 384 C:\Program Files\WindowsApps\Microsoft.GetHelp_...
tmtt64.ptn.old Backup Archive Trend Micro Antivirus Plus Security 16 69794 C:\Program Files\WindowsApps\Microsoft.ZuneVide...

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setupact.log Log Trend Micro Internet Security 16 62521 C:\Windows\Panther\UnattendGC\
setupact.log Log Trend Micro Antivirus Plus Security 16 14252 C:\Windows\System32\Sysprep\Panther\
WmiApRpl.h C/C++/Objective-C Header Trend Micro Maximum Security 16 3444 C:\Windows\System32\wbem\Performance\


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