With the release of Flash Player 10.1 yesterday, comes a new version of the uninstall_flash_player.exe. Previous releases of that uninstaller supported the use of a /silent command line switch, so you could use it in a batch file. This is documented not only here at AppDeploy, but also in Adobe's official documenatation.

But the new uninstall_flash_player.exe posted yesterday won't take that command line switch. It complains: "Invalid argument or invalid use of argument 'silent'". It won't take /s or -s or -silent either.

So, anybody know how to run this uninstaller without interaction?

BTW, this uninstall_flash_player.exe also used to accept another command line switch of /clean, which told it to be more aggressive in trying to remove old traces. (This is also from Adobe's documentation.) This new version won't accept that switch either.

I can't find any new information on Adobe's site about any changes in the use of this program. So, if you discover the secret, please post it here! Sande
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I found my own answers. Thank goodness some Flash users are on the ball, because Adobe sure isn't.

"Annoyingly, the /s switch no longer works in version of the uninstaller , but a little hexdump fun and I figured out what they changed it to: -uninstall "


"All, the new command line arguments can be found in the following TechNote:

http://kb2.adobe.com/cps/116/4da116d3.html#10.1 "
Answered 06/11/2010 by: snissen
Fourth Degree Green Belt

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Sande, it would be useful if you post this into the 'Notes' section for Flash Player's Package KB
Answered 06/12/2010 by: VBScab
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