What is your operating system & version?
What is your web browser?
"Without success"; what exactly is the problem?
It does not install, I get no reason or error code to look up, other than; "Flash Player failed to install correctly"!
To help troubleshoot we'll need the following system information:
- Operating system
A screenshot might also help. If you are running on Windows, I'd suggest trying the stand alone installers that can be found here: