How to Download Cert5.db and Fix Error Messages

Last Updated: 11/26/2023
[Reading Time Required: 3.5 minutes]

Mobile Device Database files, such as cert5.db, are considered a type of Database (Mobile Device Database) file. They are associated with the DB file extension, developed by Trend Micro for Trend Micro Antivirus Plus Security 16.

The initial introduction of cert5.db released in Trend Micro Maximum Security 16 was for Windows 10 on 09/10/2019. On 09/10/2019, version 16 was released for Trend Micro Antivirus Plus Security 16.

In this article, you will find detailed cert5.db information, a DB file troubleshooting guide, and a list of versions that are available for free download.

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File Overview


General Information
File Name: cert5.db
File Extension: DB file extension
File Type: Database
Description: Mobile Device Database
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): 142864
Oldest File Date: 11/25/2019
Latest File Date: 11/25/2019


What are cert5.db Error Messages?


General cert5.db Runtime Errors

cert5.db 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 DB 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 cert5.db runtime errors:

Microsoft Visual C++ Runtime Library

Runtime Error!

Program: C:\Program Files\Trend Micro\AMSP\update\iAU_SDK_Backup\cert5.db

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


Most DB errors are due to missing or corrupt files. Your cert5.db 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, cert5.db file corruption could be caused from a power outage when loading Trend Micro Antivirus Plus Security, system crash while loading or saving cert5.db, 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 cert5.db 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 cert5.db 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 cert5.db 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 cert5.db 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 cert5.db 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 cert5.db 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 cert5.db file version. We maintain a comprehensive database of 100% malware-free cert5.db 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 cert5.db 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\update\iAU_SDK_Backup\
    Windows 10: C:\Program Files\Trend Micro\AMSP\update\iau_sdk\
    Windows 10: C:\Program Files\Trend Micro\AMSP\update\iAU_SDK_Backup\
    Windows 10: C:\Program Files\Trend Micro\AMSP\update\iau_sdk\
    Windows 10: C:\Program Files\Trend Micro\AMSP\update\iAU_SDK_Backup\
    Show 1 more directory +
    Windows 10: C:\Program Files\Trend Micro\AMSP\update\iau_sdk\
  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 cert5.db 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 cert5.db Files (Malware-Tested 100% Clean)


CAUTION : We strongly advise against downloading and copying cert5.db to your appropriate Windows system directory. Trend Micro typically does not release Trend Micro Antivirus Plus Security DB 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 cert5.db and all other DB files for Trend Micro Antivirus Plus Security. An incorrectly installed DB file may create system instability and could cause your program or operating system to stop functioning altogether. Proceed with caution.

Windows 10


Files Related to cert5.db


DB Files Related to cert5.db

File Name Description Software Program (Version) File Size (bytes) File Location
CommonScanCache.db Mobile Device Database Trend Micro Antivirus Plus Security 16 1449984 C:\Program Files\WindowsApps\Deleted\Microsoft....
wpndatabase.db Mobile Device Database Trend Micro Antivirus Plus Security 16 1048576 C:\Documents and Settings\LocalService\Local Se...
iconcache_16.db Mobile Device Database Trend Micro Antivirus Plus Security 16 1048576 C:\Users\Tester\AppData\Local\Microsoft\OneDriv...
cversions.3.db Mobile Device Database Trend Micro Antivirus Plus Security 16 16384 C:\Windows\System32\wbem\Repository\
cversions.1.db Mobile Device Database Trend Micro Antivirus Plus Security 16 16384 C:\Windows\System32\Sysprep\Panther\

Other Files Related to cert5.db

File Name Description Software Program (Version) File Size (bytes) File Location
CBS.log Log Trend Micro Maximum Security 16 891637 C:\Windows\Logs\CBS\
CBS.log Log Trend Micro Internet Security 16 987435 C:\Windows\Logs\CBS\
CBS.log Log Trend Micro Antivirus Plus Security 16 991415 C:\Windows\Logs\CBS\
setupact.log Log Trend Micro Maximum Security 16 62521 C:\Windows\Panther\UnattendGC\
setupact.log Log Trend Micro Antivirus Plus Security 16 62521 C:\Windows\Panther\UnattendGC\


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