Check the box beside Always allow www.roblox.com to open links of this type in the associated app, and click on Open Roblox It should fix the issues you are facing with the white screen on Roblox ...

One such game that the Roblox community must try out is Don't Press The Button 4. The fourth installation in its series, this obby title lives up to its reputation by featuring up to 164 stages of ...