I suggest that you take the following steps to fix all problems with this game.
1. Update flash player to 10.1.102.64
Go to HERE and click download now
Also go to Here and click download now
2. After that clear your browsing history.
Click tools, then delete/clear browsing history, check mark everything, click delete
3. Delete the game progress and settings.
Open my documents where it says my documents paste this - %appdata%\\Macromedia\\Flash Player\\#SharedObjects\\35X7CPCB\\cache.armorgames.com\\files\\games\\armor-mayhem-10215.swf and delete the file(s)
Will post video soon