To make sure that Flash is enabled, Firefox can block the Flash plugin on certain websites, if using it would cause security, speed or stability problems.For more information, see Plugins (like Flash) are blocked on some sites by default.That is, trying to remove the currently installed version via the Windows XP Control Panel Add/Remove applet is a waste of time.The first three machines I tried this on resulted in three different outcomes, and the software was not removed on any of the machines.
Installing a new version of software should be trivial thing--especially for popular software such as the Adobe Systems' Flash player, which is used by millions of people every day. For one, the Flash player does not play well with the other kids in the sandbox. Then used tips from this article - How to perform a "clean install" of Flash Player in Mac OS X- and I did not found folder Internet Plugins/Pepper Flash Player and Application Support/Adobe/Flash Player , But deleted all I can following instruction . I downloaded the update again (do not remove anything before). After this I have problems with video on some sites and with this little picture to verificative that player installed correctly.(the clouds should move ,but it just gray picture ) I downloaded uninstalling file and do not did everything right first time, downloaded installer , nothing changed .This approach was first implemented into Windows 8 and Internet Explorer 10 and then adopted for Internet Explorer 11 as well, as Microsoft wants to make it easier for users to patch their applications and thus remain secure while browsing the web.Today's security update is aimed not only at Windows 10 Technical Preview build 9926 but also at all the other versions of Windows that are still supported by the company, including Windows 7 and Windows 8.1, so just check Windows Update to make sure that you deploy it as soon as possible.