Flash Player – Vector smash protection is enabled


You’re attempting to perform a scripted command-line install of Adobe Flash Player onto multiple Windows computers with the following Flash Player Types:

  • Internet Explorer-ActiveX
  • Firefox and Netscape Plug-In
  • Opera and Chromium based

Unfortunately, you receive the following error:

Vector smash protection is enabled.


  1. Download the MSI installer(s).
    • Do not use the EXE installer to perform the command-line Adobe Flash install.
  2. Run the following command string in your script:
    • msiexec /i install_flash_player_active_x.msi /qn


Install Adobe Flash on Multiple Computers

  1. Download PsExec @ Windows Sysinternals
  2. Extract the PSTools.zip file to your c: drive
  3. Update your environment system variable “Path” with the location of the PSTools folder:
    • Go to System Properties => Click on Advanced tab => Click on Environment Variables…
    • In Environment Variables, System variables, click on “Path” => click on Edit…
    • In Edit System Variable, append your “PsTools” directory path to the end of the “Path” Variable value:  ;c:\PsTools\

  4. Open Notepad
  5. List your computers and save the file as “computers.txt”

  6. In Notepad, click on File => click on New
  7. Copy and paste the script (below) into Notepad
  8. Edit the script directory paths and logon credentials for your environment
  9. Save the file as flashinstall.bat
  10. Right-click on the batch file (.bat) and Run as administrator
@Echo Off
REM Installs Adobe Flash on each computer listed in c:\computers.txt
REM Requires Windows Sysinternals PsExec.exe
REM Right-click on the batch file and Run as administrator.
For /f %%i in (c:\computers.txt) do (
Echo ****************************************************
Echo Installing Adobe Flash for Internet Explorer-ActiveX
Echo on %%i
Echo ****************************************************
psexec \\%%i -u domain\username -p * -h cmd /c msiexec /i "\\server\share\install_flash_player_active_x.msi" /qn

Author’s Note:  I’ve provided the Adobe Flash Player Distribution download links for your convenience.  However, please note the warning at the bottom of this page.

Flash Player for Windows WEB BROWSERS


OS Flash Player Type Languages Installers
Windows Internet Explorer-ActiveX All supported languages
Windows Firefox & Netscape Plug-In All supported languages
Windows Opera & Chromium based All supported languages
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