I have same issue with http://forums.adobe.com/message/4570340#4570340
When I try to install 11.5.502.110. We have the following error occur on machines
Error 2753.The File 'InstallPlugin.exe' is not marked for installation
From the following topic, I saw the issue has been fixed in 11.5 beta. http://forums.adobe.com/message/4799024#4799024
But it still happen in my PC.
Does any know why it still happen ? and How can I fix it?
My PC :
Install version: 11.5.502.110 Internet Explorer version and Firefox (plugin) version
Installer is “install_flash_player_11_plugin.msi”、 “install_flash_player_11_active_x.msi”
Internet explorer version：9.0.8112.16421
Operating System: Windows 7 Professional 32-bit (6.1, Build 7601) Service Pack 1 (7601.win7sp1_gdr.120830-0333)
Language: Japanese (Regional Setting: Japanese)
Processor: Intel(R) Celeron(R) CPU E3300 @ 2.50GHz (2 CPUs), ~2.5GHz
Memory: 2048MB RAM
Available OS Memory: 1994MB RAM
Page File: 1266MB used, 2719MB available
Windows Dir: C:\Windows
Retrieving data ...