There is a scarf said want to downgrade install Flash player plug-in, even if the new version is not prompted to install the old version, Flash Player plug-in is more special, the most important is the bug, most of the loopholes, and in the Windows platform at this stage is not HTML5 can be completely replaced, So there is no way even Microsoft will help him push the software update. It's because the old version has a lot of problems, so even if you uninstall the new version, the version information is still in the retention system to prevent inadvertent installation of the old version.
How to solve?
First, download the official Flash Uninstall tool, in the Guardian Software Management search "Flash", you can see the following picture of the software.
1. The uninstall tool only addresses the latest official version and its version number, including a beta version that is lower than the latest official version number, but does not include a beta version that is higher than the latest official version, and if you need the latest beta uninstall tool, please download it yourself in Adobe Labs.
2. The uninstall tool with the official version of the continuous update, do not download the site at the third party at random download to avoid downloading to the old version.
3. The uninstall tool supports X86, X64 Windows version of the Flash plug-in uninstall.
After running the tool, it is recommended that you reboot, and then close other applications after the reboot, such as browsers, QQ, AOL Instant Messenger, Yahoo!messenger, and other game programs that use Flash, and so on.
Delete the following folders and files