Go to google and type - what is my flash player version
Next, go to adobe(dot)com/about
You should be prompted if you are using an old flash. If that's the case, download the latest version, the process is automated, you click Next, Next and Finish. Reboot PC, check your flash via google again.
Method 2 :
Uninstall completely Chrome, and re-install it via Internet Explorer.
Im assuming you have an AdBlock active, disable it for the speciffic site.
Also check your jre ( java version ). Common case is, ppl don't pay attention to it and don't update it.
Note that Chrome is using HTML5 which is auto-updated, when Chrome is updated.