I too am having problem loading roblox game, every time I try to log in it tells me to install the game and it is very frustrating, it all seem to happen after i updated trend micro. I have uploaded a picture of what happens each time
We understand that you are having troubles accessing or opening your Roblox game. We already had a discussion with this regard and it seems that an update from the Roblox game site has fixed this issue. See this link.
Can't run Roblox game Can you try updating the browser that you are using to launch the game and see how it will go?